Older Genie GS scissor lifts with LED display (GS-1530, GS-1930, GS-2032, GS-2632, GS-3232, GS-2046, GS-2646, GS-3246)
Genie error code 51 — No pow er output from ECM to the motor controller contactor OR ECM does not sense the motor controller contactor.
Message on the display: No pow er output from ECM to the motor controller contactor OR ECM does not sense the motor controller contactor.
Code 51 occurs in machines: Genie GS-2668 DC, GS-3268 DC, GS-1530, GS-1930, GS-2032, GS-2046, GS-2646, GS-3246.
blocking fault
Only the platform dow n function operates. No other functions operate.
Description from the Genie service manual, in the original wording.
Possible causes
- Open in w iring from ECM to contactor (ckt A9-Curtis terminal 3).
- open in brow n ground w ire circuit to contactor.
- defective contactor.
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.
Solution from the manual
Check w iring and terminals at motor contactor ckt A9- Curtis terminal 3 OR check w iring and terminal at pin A9, ckt A9-Curtis terminal 3 on the ECM OR replace motor controller contactor.
Source: Genie Service Manual GS-30/32/46 (Part No. 97385) and GS-2046/2646/3246 (Part No. 72972), 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 51 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.
Genie service · Genie parts · All Genie codes of this system