Troubleshooting "Hxx" And "Pxxx" Faults - Genie GC-1530 Service Manual

January 2012
Troubleshooting "HXXX" and "PXXX" Faults
The procedure below illustrates typical steps for diagnosing and fixing faults of type "HXXX and PXXX".
Diagnostic Chart
1 Check the fault device for a short or open circuit.
Check short or open circuit of the harness or
2
connector between Ground Controls and faulted device.
3
Check GCON Electronic Control Module (ECM).
Wiring Diagram
The wiring diagram shown below illustrates how fault type "HXXX" or "PXXX" devices are typically wired.
The signal to these types of devices originates at the Ground Controls and terminates at system ground.
GCON
Electronic Control Module
(ECM)
In order to successfully troubleshoot "HXXX" or "PXXX" type faults, the entire faulted out circuit needs to
be investigated.
Part No. 228901
Good
Good
Signal Side
Signal Wire
GS-30 • GS-32 • GS-46 • GS-47
No Good
Replace faulted device.
No Good
Repair or replace harness and/or connector.
No Good
Replace ECM.
Return Side
Return Wire
DEVICE
Section 5 • Diagnostics
DIAGNOSTICS
5 - 9