Optima Scale 909 Operation & User’s Manual

PREPARATION & SET UP ...................................................... FEATURES ............................................................................. SPECIFICATIONS ................................................................... POWER SUPPLY .................................................................... DISPLAY AND KEY DESCRIPTION ........................................ OPERATING INSTRUCTIONS ................................................ CALIBRATION PROCEDUER ................................................. INDICATOR PARAMETER SETTINGS .................................... CONNECTORS ....................................................................... TROUBLESHOOTING ............................................................ CONTENT 1 1 2 3 3 4 5 7 10 15 20

performed by professionals Ensure the indicator rests on a stable surface DO NOT disassemble or modify unity DO NOT exceed the rated load limit of the unit DO NOT step on the unit DO NOT jump on the unit DO NOT use this product if there are any signs of damage DO NOT use for purposes other than weight taking Avoid faulty readings before weighing samples with static electric charge by discharging them or wiping the indicator with an anti-static agent Electrical Safety Unit must be connected to a GFCI outlet Disconnect power before servicing unit All operators MUST discharge themselves before servicing unit by touching a grounded surface or by wearing a grounded anti-static wrist strap Always pull the plug – not the cord – when disconnecting from the outlet DO NOT use if the power cord is worn or damaged Power cords should only be replaced by qualified service technicians using genuine replacement parts SAFETY PRECAUTIONS PREPARATION & SET UP If the indicator is powered by an adapter, plug the adapter directly into the “DC” pin located at the bottom of the indicator. Always use a wall outlet to avoid interference from other wires Turn on the indicator when there is no load Calibrate before weighing when the scale is initially installed or moved to a new location - 1 -

Multiple weighing units: kg/lb Gross/Tare/Pre-Set Tare/Zero Multiple Hold functions Overload / Underload indication Connects to multiple printers Splash proof keyboard and display Connects to a Remote Display/Scoreboard Power saving mode Ability to modify gravity based on different geographical locations RS232 output Main Function Technical Parameters Accuracy class Resolution - Display Zero stability error Span stability error Sensitivity (internal) Input voltage Excitation circuit AC power Operation temperature Operation humidity Storage temperature 5000 e display: 30, 000 ADC: 2,000,000 TK0 0.1µV//K TKspn ± 6 ppm//K 0.3 µV / d -30 to +30mV DC 5 VDC, 4 wire connection, 6 load cell of 350ohm max AC 100-250V (use only the included 9V adapter supplied) -10 °C ~ +40 °C 90%RH -40 °C ~ +70 °C (32-104°F) ＜ ＜ ≤ - 2 -

AC Adapter If the indicator is powered by an adapter, plug the adapter directly into the “DC” pin located at the bottom of the indicator. We recommend to plug into a wall outlet to avoid interference with other wirings. Battery If you have an indicator with the rechargeable battery option, please charge the internal battery fully before first time use. A 110 to 220V AC adapter should be provided with your indicator. Please use only the AC adapter provided to prevent dam�age to your indicator. To keep the battery in best condition, fully discharge the battery every month by leaving the indicator on until the indicator powers off, and then recharge fully. If the battery is not going to be used for a long period of time it is recommended to remove it to avoid leakage.

FIRST PANEL 1. Display lamp lb lamp: ON when the weight unit is pound [lb] kg lamp: ON when the weight unit is kilogram [kg] g lamp: ON when the weight unit is gram [g] oz lamp: ON when the weight unit is oz [oz] Batt: GREEN when the battery is full, Red when it is low GROSS lamp: ON when the current weight is GROSS weight NET lamp: ON when the current weight is NET weight ZERO lamp: ON when the current weight is 0lb (0kg) HOLD lamp: ON when the weight is hold UNDER lamp: ON when the weight below min value ACCEPT lamp: ON when in normal weight OVER lamp: ON when overload 2. Keyboard ON/OFF Powers the Indicator On or Off if held for 2 seconds Holds the weight (5 Hold options; can be changed in parameter settings) HOLD Shifts between weighing units 1. Resets the scale to zero when there is something on the scale (ex. Tare out the weight of a pallet to weigh only the product on it) 2. Clears the tare to see the gross weight UNITS TARE Zero’s the scale ZERO Print data Save and Exit Enter PRINT esc enter Arrow keys - 4 -

voltage and then begin to auto-check and count down from 0-9 sequentially before entering the weighing mode Note: Anything on the scale before powering on will automatically be tared out. Zeroing The zero function is used only when the scale is empty and is not at gross zero due to material build up Pressing the ZERO key will reset your scale to 0 Depending on what your manual zero range parameter is set to, you can zero out any number within your set selection, after that you will receive an error and will need to tare out the weight Unit Selection To switch between measuring units (kg/g) press the UNITS key Tare Function The Tare function is used when you only wish to see the current change in weight, not the entire amount of weight that is on the scale When the indicator is in gross mode (gross light is shown) pressing the TARE key will Tare the current weight on the scale and enter the net mode (net light shown) For example if you are using a container add the container to the scale, press tare and the display will show the tare symbol and reset back to 0 Add your product to the scale to weigh without the weight of the container To exit Tare mode press the TARE key again to enter gross mode and you will see the total weight of the container and the product REAR PANEL LOAD CELL: Port for connecting load cell. RS-232 PORT: Serial interface port. (computer, printer) DC POWER: Port for DC power. (DC 12V adapter are available) LOAD CELL RS-232 PORT DC POWER OPERATING INSTRUCTIONS - 5 -

To use a pre-set tare weight Press and hold the TARE key for 2 seconds Input the tare weight using the arrow keys Press print key to confirm Counting Function The counting function is used to count a high volume of identical parts. You can do this by setting a sample and then either adding to the sample or taking away from the sample to count the number of objects on the scale In weighing mode: Put a sample weight on the scale (Sample options are 5, 10, 20, 50, 100, 200, 500) Then press the COUNT key to go to the counting mode (“pcs” will light up) It will then display the sample number (ex. PCS 0) which you can change using the up or down arrows Press the PRINT key to confirm your sample number The scale is now ready to start counting, load your product on the scale and the indicator will show the quantity To exit counting mode press the COUNT key If you want to count a different product hold the PRINT and COUNT key together and the sample pieces will reset back to zero Accumulation The accumulation function is used to add multiple weights and total them together In weighing mode load the first weight, once stable press the ACCUM key to enter the accumulation mode. The “total” indicator/light will display The screen will show “n001” to indicate the first weight has been saved Remove the first weight and press the ZERO key to stabilize the scale Add the second weight to the scale Once stable press the ACCUM key to add the weight to the accumulated total The screen will show “n002” to indicate the second weight has been saved Repeat previous steps until all desired weights have been added to the total (you can accumulate up to 999 different weights) When you are done and want to display the accumulated total, press the ACCUM and PRINT key together. The accumulated number “n002” (the number of weights you are adding together) will flash on the display followed by the total The total will display by flashing between 2 sets of numbers There are 8 digits in total, the display will flash 4 at a time, the first 4 on the left and the last 4 on the right. For example if the first 4 digits are “0012” and the last 4 digits are “3456” the actual weight is 001234.56 or 1234.56 lbs/kg If you want to print the accumulated total, hold the PRINT key for one second while the last 4 digits of the total are shown To exit accumulation mode, wait for the last 4 digits to the right of the screen to appear, and then press and hold the ACCUM key for one second “CLr n” will be displayed, asking you if you want to keep the data If NO you do not want to clear the accumulated total, then keep “CLr n”. If YES you do want to clear the total, then use the arrow key to change to “CLr y” Finally, press the PRINT key to select exit accumulation mode - 6 -

1.Peak Hold: Grabs the highest weight (for materials testing, ie. tension and pulling force) Press the HOLD key then add weight to the scale The indicator will show the highest weight it recorded and hold it on the screen until a higher weight is placed on the scale 2.Manual Hold: Grabs the current weight and holds it so it will not change/fluctuate While weighing, press HOLD and the indicator will hold the current weight on the screen until HOLD is pressed again 3.Auto Hold: If the weight on the scale is above 20d (20 x division) and is stable, the indicator will hold that weight on the screen for 3 seconds then go back to general weighing Pressing the hold key is unnecessary, holding is done automatically when the scale is stable 4.Average Hold: Used for weighing animal, the indicator will display the average weight sampled from 3 seconds Add livestock to scale and press HOLD Indicator screen will show “LOC” for 3 seconds, then display the average weight from those 3 seconds Press HOLD again to exit holding mode Print If the indicator is connected to a printer and the weight on the scale is stable press the PRINT key to print the current weight In accumulation mode hold the PRINT key for one second when the last 4 digits of the total weight are shown to print the total weight Note: In tare mode the printer cannot print if negative weight is shown CALIBRATION PROCEDUER How to enter Available Keys 1. Turn on the scale by holding ON/OFF for 2 seconds 2. Press HOLD and PRINT together to access the setup menu. Move to the right by 1 place of the set value Increase the set value Reduce the set value Exit current menu Move into next menu esc enter - 7 -

for 2 seconds. 2. Press HOLD and PRINT together to access the setup menu. 3. If done correctly, the display should now show C01. 4. Press PRINT to access the C1 channel. The display should show 5. Press ZERO to choose which unit you want to calibrate in (1 = kg, 2 = lb). 6. Press PRINT to set the value. The display will now show C02. 7. Press PRINT to access the C2 channel. The display should show 8. Press ZERO to change the setting to the decimal places desired (The C2 channel is used to adjust the decimal point on the scale. A value of 1 means there is one digit behind the decimal point.) 9. Press PRINT to set the value. The display will now show C03. 10. Press PRINT to access the C3 channel. The display should show 11. Press ZERO to cycle through the values until the desired graduation appears. (The C3 channel adjusts the divisions on the scale. A value of 1 selected and C2 set to 1, the scale will read in 0.1 lb. increments.) 12. Press PRINT to set the value. The display will now show C04. 13. Press PRINT to access the C4 channel. The display will show 14. Enter in the maximum capacity you want to use for this scale by using UNITS cursor right, and TARE and ZERO to move the values down and up. (The C4 channel is to move the used to enter in the max capacity of the scale; Make sure this doesn’t exceed the max capacity of the scale; Max capacity divided by the increment set in C02 and C03 above cannot exceed 5000.) 17. The C5 channel calibrates zero on the scale. Make sure the scale is empty. 18. Press ZERO to change the value to 1. 19. Press PRINT . The display will count down from 10-1 while the scale is calibrating zero. When the display shows 0 the zero calibration is complete. OP-909 offers 2 calibration methods, Single Point which uses one weight to calibrate or Linear Calibration, which uses multiple (2-7) weights for a more accurate calibration. To Calibrate using only 1 calibration weight (Single Point Calibration) 20. Press PRINT to continue. The display will now show C06. 21. to access the C06 channel. The display will show 22. The C6 channel is used to calibrate the scale with a known weight. Press ZERO . The display will flash to set the value of C6 to C6 1 Press PRINT SPAN, and then show ###### enter enter enter enter enter 15. Press PRINT to set the value. The display will now show C05. enter enter Press PRINT enter enter enter enter enter esc enter C1 # ]. [ C2 # ]. [ ###### ]. [ C3 # ]. [ 16. Press PRINT enter to access the C5 channel. The display should show C5 # ]. [ C6 0 [ ]. [ ]. [ - 8 -

2. Press PRINT enter to access the C06 channel. The display will show 3. The C6 channel is used to calibrate the scale with a known weight. Press ZERO to set the value of C6 to C6 2 . Press PRINT enter. The display will flash SPAN, and then show [ LnE 2 4. Press ZERO to enter the number of weights you want to use (2-7); the more you use, the more accurate the calibration will be. (an example of 2 will be used). 5. Press PRINT enter to set your value. The screen will flash [ dbno01 ] then [ 000100] 6. Enter the lowest calibration weight value you will use (at least 10% of max capacity you set in C04) by using UNITS to move the cursor right and TARE and ZERO move the values down and up. 7. Place the calibration weight you have on the empty scale and press PRINT enter . 8. The scale will count down from 10 to 0. Once 0 has been reached, the display will show the screen will flash [ dbno02 ] then [ 000200 ]. 9. Enter the next calibration weight value you will use by using UNITS to move the cursor right, and TARE and ZERO move the values down and up . 10. Place the calibration weight you have on the empty scale and press PRINT enter . 11. The scale will count down from 10 to 0. Once 0 has been reached, the display will show he screen will show [ CALEnd ]. 12. Then follow steps 26-31 on the single point calibration instructions. 23. Enter the calibration weight value you will use (at least 10% of max capacity you set in C04 by using UNITS to move the cursor right, and TARE and ZERO move the values down and up.) 24. Place the calibration weight you have on the empty scale and press PRINT enter. 25. The scale will count down from 10 to 0. Once 0 has been reached, the display will show CALEnD 26. . Press PRINT 27. Press HOLD esc to save and exit the setup menu. 28. The scale has now been calibrated. The display will show the value of the calibration weight on the scale. 29. If the scale does not show the value of the calibration weight, check that the feet on the platform are not screwed in too tightly, and verify that the platform is level. 30. Unload the scale; the display should read 000000. 31. If the scale does not display 000000, check that the feet on the platform are not screwed in too tightly, and verify that the platform is level. to set the value. The display will now show C07. enter To Calibrate using only multiple calibration weights (Linear Calibration) [ C6 0 ]. [ [ [ . - 9 -

significant digit) C01 C02 C03 C04 C05 1 = kg 2 = lb 3 = gram 4 = oz Note: for calibration only kg or lb are allowed 0 = no decimal 1 = 0.0 2 = 0.00 3 = 0.000 4 = 0.0000 options: 1/2/4/10/20/50 Example with no decimal places (ie. C02=0) 1 = 1 lb 2 = 2 lb 5 = 5 lb 10 = 10 lb 20 = 20 lb 50 = 50 lb set max capacity ex. 100kg = 0100.00 0 = zero calibration not needed 1 = set the zero calibration (Please ensure scale is empty and the stable light is on) INDICATOR PARAMETER SETTINGS The parameter settings menu has a calibration section (C01 to C07 explained above) and a parameter settings section (C08 and up). To access the calibration section the seal switch (located at one corner of the PCB) must be OFF. This will allow access to all C01 and up settings. If the seal switch is ON, then only C08 and up can be accessed by the user. If you break the official seal by opening the back of the indicator to access the seal switch, you may need to have the indicator recertified. Be sure to adjust the seal switch back to the original setting after calibration/configuration has been performed. To enter calibration/parameter settings, follow the procedure below: 1. Make sure UNITS is set to either kg or lb 2. Press and hold HOLD and PRINT key at the same time for 2 seconds 3. Navigate through the settings (C01 to C45) as shown in the table 4 below by using the arrow keys and return keys as labeled under each indicator button 4. Press PRINT key to enter/edit the parameter setting 5. Press PRINT enter / HOLD esc key to save and exit settings at any time - 10 -

1 = Ready to calibrate with one calibration weight 2 = Ready to calibrate using multiple calibration weights (Linear) 3 = Sensitivity Output Restore Default Settings 0 = do not restore 1 = restore to default settings Warning Tone 0 = turn off warning tone 1 = turn on warning tone Automatic Power Off 0 = turn off auto power off 10 = power off automatically if no change within 10 minutes 30 = power off automatically if no change within 30 minutes 60 = power off automatically if no change within 60 minutes Power Saving Mode LED Version OP900A: 0 = turn off power saving setting 3 = turn off display if no change within 3 minutes 5 = turn off display if no change within 5 minutes LCD Version Hold Function 0 = turn off hold function 1 = Peak hold - Grabs the highest weight 2 = Manual hold - Grabs the current weight 3 = Auto hold - Automatically holds data when stable 4 = Average hold - for animal weighing, averages the weight from a sample of 3 seconds 5 = Auto Average hold - Average hold without the need to press the hold key Unit Conversion * See table 2 Upper Limit Alarm Set upper limit within the max. capacity Lower Limit Alarm Set lower limit within the max. capacity Inner Code Display check the inner code (raw data) Set Date Set date from left to right: year/month/day Set Time Set the time from left to right: hour/minute/second Communication Setting Set the serial interface data output method: 0 = Turn off serial interface data output 1 = Continuous sending mode, for remote display 2 = Print to paper thermal ticket printer 3 = Command request mode, for computer. 4 = PC continuous sending mode, for computer 5 = PC/remote display, continuous sending mode 6 = Print to adhesive label thermal printer 7 = Print to Zebra/large adhesive label thermal printer 8 = Reserved Baud Rate C07 C08 C09 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 0 = 1200 (for OP-910 remote display) 1 = 2400 2 = 4800 3 = 9600 (for all printers and OP-910X, OP- 910XL) 4 = 14400 - 11 -

1 = ±1% max capacity 2 = ±2% max capacity 4 = ±4% max capacity 10 = ±10% max capacity 20 = ±20% max capacity 100 = ±100% max capacity Initial Zero Range 0 = no initial zero setting 1 = ±1% max capacity 2 = ±2% max capacity 5 = ±5% max capacity 10 = ±10% max capacity 20 = ±20% max capacity 100 = ±100% max capacity Zero Tracking 0= turn off zero tracking 0.5 = ±0.5d d = division 1.0 = ±1.0d 2.0 = ±2.0d 3.0 = ±3.0d 4.0 = ±4.0d 5.0 = ±5.0d Note: zero tracking range cannot be bigger than manual zero range Zero Tracking Time 0 = turn off zero tracking time 1 = 1 second 2 = 2 seconds 3 = 3 seconds Overload Range 00 = turn off overload range 01-99d = overload range setting d = division Negative Display 0 = -9d 10 = -10% max. capacity 20 = -20% max. capacity 50 = -50% max. capacity 100 = -100% max. capacity Standstill Time 0 = quick 1 = medium 2 = slow Standstill Range 1 = 1d d = division 2 = 2d 5 = 5d 10 = 10d Digital Filter (for filtering mov- ing weight such as animals) C20 C21 C22 C23 C24 C25 C26 C27 C28 0 = turn off dynamic filter 1 = 1 digital filter strength 2 = 2 digital filter strength 3 = 3 digital filter strength 4 = 4 digital filter strength 5 = 5 digital filter strength 6 = 6 digital filter strength Note: The higher the number, the higher the filter strength - 12 -

1 = 1 digital filter strength 2 = 2 digital filter strength 3 = 3 digital filter strength 0 1 2 3 = = = = yy.mm.dd mm.dd.yy dd.mm.yy yy.mm.dd 0 = 1 = 0 - 5V output 4 - 20mA output 4 - 20mA current 0 = turn off relay output 1 = turn on relay output function 1 2 = turn on relay output function 2 3 = Reserved menu 9.7000 - 9.9999 9.7000 - 9.9999 0 = 1 = 2 = auto mode gross mode tare mode 0 - 9 (How much space between print outs) 0 - 9 (Where the data prints on the paper: 0 = left ; 9 = right) 0 1 = = do not print the date print date the date 0 1 = = do not print the time print the time Noise Filter Print Time and Date Analog Output Setting Calibrate Current Relay Output Setting Gravity of Calibration Location Gravity of Destination Version No. Print Mode Print Carriage Return Space Print Date Print Time Print Baud Rate for 2nd RS232 C29 C30 C31 C32 C33 C36 C37 C38 C41 C42 C43 C44 C45 C48 0 = 1200 (for remote display) 1 = 2400 2 = 4800 3 = 9600 Table 2. Unit Conversion Parameter Settings Parameter Settings Units Available C01 = 1 C12 = 1 kg lb - 13 -

Function Parameter Default Setting Weighing Unit C01 1 Decimal Setting C02 0 Graduation Setting C03 1 Maximum Capacity C04 100000 Zero Calibration C05 0 Calibration C06 0 Restore Default C07 0 Warning Tone C08 1 Automatic Power Off C09 0 Power Saving Mode C10 0 Hold Function C11 0 Unit Conversion C12 1 Upper Limit Alarm C13 000000 Lower Limit Alarm C14 000000 Inner Code Display C15 Set Date C16 Set Time C17 Communication Setting C18 1 Baud Rate C19 3 (9600) Manual Zero Range C20 10 Initial Zero Range C21 10 Zero Tracking C22 0.5 Zero Tracking Time C23 1 Overload Range C24 9 Negative Display C25 10 Standstill Time C26 1 Standstill Range C27 2 Digital Filter C28 0 Noise Filter C29 2 Print Time and Date C30 0 Analog Output Setting C31 1 Relay Output Setting C33 1 Multi-connection add. C34 0 Wireless Communication C35 6 Gravity of Calibration Location C36 9.7936 Gravity of Destination C37 9.7936 - 14 -

The indicator can connect with 6 load cells of 350Ω at most 4 wire or 6 wire load cell connections are both okay Please contact us directly if you have other special needs for your application There are two connection methods between the load cell and indicator Quick Disconnect as shown below: FIGURE 2: QUICK DISCONNECT CONNECTION DIAGRAM Hardwire (Using Inner Terminal Block Connection: Note: Make sure you follow all the anti-static rules to avoid damage to your indicator Excitation voltage: 5V DC Largest output current: 120 mA Excitation circuit: 5 VDC, 4 wire connection, 6 load cell of 350ohm maximum Open the back cover of the weighing indicator, and insert signal cable to the terminal block (see figure 3); Make sure the screw on terminal block is fixed tightly FIGURE 3: INNER TERMINAL BLOCK CONNECTION DIAGRAM - 15 -

Follow the pin out of Table 5 below to connect the indicator the RS-232 Serial device Table 5. DB9 Pin Description DB9 Pin Definition Function 2 TXT Transmit Data 3 RXD Receive Data 5 GND Ground Interface The serial output format depends on the settings for parameter C18. The serial output consists of a string of ASCII characters. Here is a list of the serial parameters 8 data bits 1 stop bits No parity No handshaking 2. RS-232 Connection (DB 9 9 pin Connector) Table 4. Wiring Color Code Signal Name Description +Exe/ +EX Positive excitation voltage to load cell +IN / +SIG Positive output signal from load cell HD / SHLD Shield Wire -IN / -SIG Negative output signal from load cell -EXC / -EX Color Code RED GREEN YELLOW/THICK BLACK WHITE BLACK Negative excitation voltage to load cell The DB9 9 pin serial connector is used for different purposes depending on the indicator model Figure 4 shows the pin assignment on the DB9 9 pin connector FIGURE 4: DB9 SERIAL CONNECTOR PINOUT - 16 -

For use with a Scoreboard/Remote Display Note: Baud Rate must be set to 1200 (C19 = 0) Output Continuous Format S T X S W A S W B S W C X X X X X X X X X X X X C R C K S 1 2 3 4 5 6 State A Bits0,1,2 0 1 0 1 0 1 1 0 1 1 0 0 2 0 0 0 1 1 Bits3,4 1 0 1 0 Decimal point position XXXXXX0 XXXXXXX XXXXX.X XXXX.XX XXX.XXX Division X1 X2 State B BitsS function Bits0 gross=0, net=1 Bits1 Symbol: positive=0, negative=1 Bits2 Overload (or under zero)=1 Bits3 dynamic=1 Bits4 unit: lb=0, kg=1 Bits5 Constant 1 Bits6 Constant 0 State C Bit2 Bit1 Bit0 unit 0 0 0 Kg or lb 0 0 1 g 0 1 0 t Bit 3 printing=1 Bit 4 Extend display=1 Bit 5 Constant 1 Bit 6 Constant 0 - 17 -

For printing on a non-adhesive ticket printer. Parameters 16, 17, 30, & 42-45 all effect your ticket print out. Normal weighing ticket printout example: Accumulation weighing ticket printout example: Date: 05/01/2017 Time: 11:30:52 n001 15.4lb n002 17.2lb n003 35.6lb Total 68.2lb Date: 05/01/2017 Time: 11:30:52 Net: 25.6lb Tare: 10.3lb Gross: 35.9lb - 18 -

PC or Remote Display Continuous Sending Mode (C18=5) In this mode, the indicator can receive ASCII commands as listed below Command Name T Tare Z Zero P Print R G.W/ N.W C Kg/lb G G.W Function Save and clear tare Zero gross weight Print the weight Read gross weight or net weight Kg/lb conversion Check gross weight at net weight mode The R command will trigger the indicator to output the following data format: Computer Continuous Sending Mode (C18=4) S1: weight status, ST=standstill, US=not standstill, OL=overload S2: weight status, GS=gross mode, NT=net mode S3: weight of positive and negative, “+” or “-” Date: weight value, including decimal point S4: “kg” or “lb” CR: carrige return LF: line feed - 19 -

Printing formats: Date: Time: Net: Tare: Gross: 05/01/2017 11:30:52 25.6lb 10.3lb 35.9lb Date: Time: XX.XX. XX (yy.mm.dd) XX.XX.XX (hh.mm.ss) NET TARE GROSS 6.00kg (net weight) 2.88kg (tare) 8.88kg (gross weight) Issues/Error Codes Possible Causes Suggested Actions The scale does not turn on 1. Loose power cord 2. Outlet is defective 1. Ensure the power cord is plugged in 2. Ensure the power source works. Test the power source by connecting a different appliance to the same outlet to check if it’s operational. The reading goes negative when a load is applied 1. The Sig+ and Sig- wires are connected to the wrong ends of the load cell 1. Try switching the Sig+ and Sig- wires connected to the load cell and/or the junction box (if one is used) UUUUUU 1. Overload 2. Cables are not connected properly 3. Load cell is defective 1. Reduce the weight 2. Check load cell connection 3. Inspect load cell; Check the input/ output 4. If the above actions don’t work, try the following instructions: 1. Check if the cable that runs from the indicator to the junction box is damaged. If it is, replace the cable. 2. Check for any water damage inside the junction box. If there is, replace the junction box 3. Ensure all wires on all 5 terminal blocks are not loose. Retighten the screws if needed. 4. Recalibrate 5. If none of the above actions work, one or more load cells may be defective - 20 -

2. Cables are not connected properly 3. Load cell is defective 1. Ensure scale is leveled 2. Check load cell connection 3. Check load cell input and output resistance 4. If the above actions don’t work, try the following instructions: • Check if the cable that runs from the indicator to the junction box is damaged. If it is, replace the cable. • Check for any water damage inside the junction box. If there is, replace the junction box • Ensure all wires on all 5 terminal blocks are not loose. Retighten the screws if needed. • Recalibrate 5. If none of the above actions work, one or more load cells may be defective Err1 No weight was used during calibration or the weight used was above the max capacity. Use correct weight within the defned range Err2 The weight used during calibration was below the minimum required weight. The calibration weight minimum is 10% of the maximum capacity set in C04. It is recommended to use 60%-80% of the maximum capacity. Err3 During calibration, the input signal is negative 1. Check all wire connections 2. Check load cell for damages 3. Recalibrate 4. If none of the above actions work, the PCB may need to be replaced Err4 Signal is unstable during calibration Start calibration after the platform is stable Err5 EEPROM Error Replace the PCB - 21 -

1. Ensure the scale is leveled and does not wobble. Turn it on with no load on the scale. 2. Press and hold the “PRINT and HOLD” key simultaneously for a few of seconds 3. The screen will read “C01” 4. Using the arrow keys, change C01 to C20. You have to change the 1 st digit from 0 to 2 before you can change the 2 nd digit from 1 to 0. 5. Press “PRINT” key to enter C20 parameter 6. Change the value of C20 on the right to 100 if possible using the up-arrow key. If 100 is not available change to 20. 7. Press “PRINT” key to enter your selection 8. The screen will read “C21” now 9. Press “PRINT” key to enter C21 parameter 10. Change the value on the right of C21 to 100 if available, 20 if not 11. Press “PRINT” key to enter your selection 12. The screen will read “C22” now 13. Press “TOTAL” key to save and exit Power the indicator off and then back on. If these steps do not resolve the ERR6 issue, try following the solutions above for “nnnnnn” and “uuuuuu” error codes. - 22 -