Genie GS scissor lifts with SmartLink control (GS-1930, GS-1932, GS-2632, GS-3246, GS-4047, GS-4655)
Genie error code H104 — COILFAULT RELIEF VALVE:OPEN
Message on the display: COILFAULT RELIEF VALVE:OPEN
Code H104 occurs in machines: Genie GS-4047.
blocking fault
Relief valve circuit open.
Description from the Genie service manual, in the original wording.
Effect on the machine: All functions inhibited except platform down while above limit switch. October 2023 Type "HXXX" Faults, continued
Possible causes
- Open circuit in relief valve harness.
- Relief valve coil open circuit.
- GCON ECM.
What you can do
Switch the machine off with the emergency stop and switch it on again. If the code comes back, do not use the machine and call service.
What service does
A qualified service technician reads the code with the manufacturer's diagnostic tools, finds the cause, clears the code and carries out a function test.
Source: Genie Service and Repair Manual GS-30/32/46/47 (Part No. 1272217GT), Fault Codes section.
The descriptions are quoted from the manufacturer's service documentation and are for guidance only. Clearing codes, calibrations and repairs are carried out by a qualified service technician according to the manual for the specific serial number. A machine with an active blocking code must not be used until the cause has been removed.
Does code H104 not go away?
RK Rental services Genie lifts at our workshop or on site at the customer's premises (construction site, factory, warehouse). We read the code, remove the cause and select the parts by serial number.
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