Mec EZ-Cal Scan Tools Operation & User’s Manual

May 2021 Section 19 - Troubleshooting Can Bus Related Messages CAN bus communication system is the network by which the control modules and CAN Tilt modules communicate with the GP500. NO DATA FROM CAN TILT #1______________________ Flash Code: None CAN Tilt module mounted to front of main boom (located behind panel, Left Module) has malfunctioned or wiring is damaged. NO DATA FROM CAN TILT #2_______________________ Flash Code: None CAN Tilt module mounted to Front axle has malfunctioned or wiring is damaged. NO DATA FROM CAN TILT #3________________ ...

May 2021 Section 19 - Troubleshooting Interlock Messages The following messages appear as result of perceived improper operation, machine positioning, or other incorrect operation. Interlock messages may be the result of a part failure if the part in question provides incorrect information to the GP500. FUNCTIONS LOCKED - LIMIT REACHED________________ Flash Code: 2/2 Rotating platform not centered; Certain operations require centered platform Rotating platform at extreme CW or CCW; no further rotation possible in that direction FUNCTIONS LOCKED - T ...

GP 500 MICORPROCESSOR CAN-BUS HI CAN-BUS LO GROUND P1-1 P1-2 P1-3 P1 CAN-BUS HI CAN-BUS LO GROUND P2-1 P2-2 P2-3 P2 (414) (413) (412) JIB DOWN DRIVE FWD DRIVE REV P4-1 P4-2 P4-3 P4 (217) (111) (110) JIB UP AXLE LOCK P4-4 P4-6 (216) (152) SWING LEFT SWING RIGHT P4-7 P4-8 (271) (270) PLATFORM ROTATE LEFT STEER RIGHT STEER LEFT P5-1 P5-2 P5-3 P5 (130) (107) (108) PUMP CONTROL #1 INTERLOCK P5-5 (314) ALARM TELE EXTEND P5-6 P5-7 (33) TELE RETRACT PLATFORM LEVEL UP P5-8 P5-10 (34) (95) (37) (96) PLATFORM LEVEL DOWN P5-11 TO TURNTABLE SCHEMATIC PAGE 2 U S R P N ...

May 2021 Section 19 - Troubleshooting Problem Possible Cause Remedy/Solution Boom Extend/Retract No boom extension Excessive weight on platform Reduce weight to within platform capacity Level sensor out of level (platform elevated above 10’) Indicator light will be illuminated and alarm will sound off. Reposition machine to level ground Main relief valve (25) out of adjustment Adjust Main relief valve (25) to rated platform capacity located on function manifold - see Hydraulic Section. Solenoid Valve (8) (dump valve) not energized Check wiring to ...

May 2021 Section 19 - Troubleshooting SYSTEM 2A ENABLED NO/YES 2A-1 B+ SUPPLY ACTUAL INPUT VOLTAGE 2A-2 TILT STATE OF LEVEL IN DEGREES 2A-3 TILTED YES or NO 2A-4 HEIGHT ACTUAL IN % 2A-5 DIAGNOSTIC 34JD BOOM EZ-CAL MENU 2 DIAGNOSTICS ENTER PLATFORM ACTUAL IN DEGREES 2A-3A GP400 ACTUAL IN DEGREES 2A-3B CAN TILT 151 ACTUAL IN DEGREES 2A-3C CAN TILT 153 ACTUAL IN DEGREES 2A-3D P ADJUST 2A-3E LOAD ACTUAL IN % 2A-7 ENTER ENTER ENTER HEIGHT 1 up ACTUAL IN % 2A-5A HEIGHT 2 low ACTUAL IN % 2A-5B OVERLOADED YES or NO 2A-8 ELEVATED YES or NO 2A-9 EXTENDED YES ...

U S R P N M L K J H F E B J1 (96) (1) (33) (216) (217) (130) (131) (143) (118) BOOM MANIFOLD X T (119) (43) (95) (15) (1) (1) X W V U P N M G F E D C B J2 (515) (1) (414) (413) (412) (15) (15) (0) (0) CONTROL CABLE 21-PIN ROUND (15) (15) (415) (1) X W V U P N M G F E D C B J8 ORG ORG/BLK BLK RED BARE BLK/BLU BLK/RED BRN/RED BRN/BLK YEL/BLK RED/BLK BRN YEL WHT/BLK BLK/WHT BLU BLU/WHT BLU/BLK RED/WHT RED/BLK GRN GRN/WHT WHT BLK ORG/BLK ORG 13 12 11 10 9 8 7 6 5 4 3 2 1 J3 (152) (270) (271) (000) (29) (107) (108) (37) MAIN HARNESS 40-PIN (205) (204) (15) (15) (1) ...

May 2021 Section 19 - Troubleshooting FAULT: CHECK HEIGHT SENSORS!____________________ Flash Code 6/1 Voltage from Height sensors out of range, should be .5 volts to 4.5 volts FAULT: CHECK PRESSURE SENSOR!___________________ Flash Code 6/2 Voltage from Pressure sensor out of range, should be .5 to 4.5 volts (Overload option only). FAULT: CHECK ELEVATION SWITCH!___________________ Flash Code 6/3 Check for incorrect GP 500 part. FAULT: LOW OIL PRESSURE!____________________ _ Flash Code 7/7 Engine Start was pushed but engine did not start or oil press ...