Fault Inspection Procedure - Terex Genie GS-1532 Service And Repair Manual

Service and Repair Manual

Fault Inspection Procedure

Fault Inspection Procedure
1
OK Go to step 2
2
OK Go to step 3
164
Check the device associated with the faulted circuit
1
2
3
Device
Solenoid Valve, Drive
Solenoid Valve, Steer
Solenoid Valve, Platform Up
Solenoid Valve, Platform Down
GCON and PCON Alarm
Automotive Horn
Motor Controller – Enable
Motor Controller – Throttle
Contactor Coil
No Good
Check the harness between the ground controls and the faulted device
1
2
3
 Result: Resistance should be close to 0 Ω
4
 Result: Resistance should be close to 0 Ω
5
 Result: Resistance should be 1M Ω or higher.
No Good
GS
Disconnect the faulted device connector.
Using a multi-meter, measure resistance between the two
terminals of the faulted device.
Resistance should be as follows.
Disconnect the GCON ECM connectors, J1, J2 and J3.
Disconnect the faulted device connector.
Check the continuity between the GCON ECM connector
and the signal side of the faulted device.
Check the continuity between the return side of faulted
device and system ground.
Check resistance between return side and signal side of
the harness plug of faulted device.
Replace or repair harness
™ -30 • 32 • 46 • 47
Typical Resistance
27.2 Ω
19 Ω
25 Ω
6.25 Ω
>1M Ω
1.0 Ω
5.7k Ω
5.7k Ω
47 Ω
Replace faulted device
Part No. 1272217GT
March 2021