Genie Z-30/20N, Z-34/22, Z-45/25 DC: Curtis motor controller
Genie error code 34 — MISSING CONTACTOR / MAIN CONT DNC
Message on the display: MISSING CONTACTOR / MAIN CONT DNC
Code 34 occurs in machines: Genie Z-30/20N, Z-45/25J DC, Z-30/20N RJ, Z-34/22, Z-45/25 DC, Z-45/25J, Z-45/25 BE, Z-34/22 BE, Z-34/22N.
blocking fault
Machine will not drive.
Description from the Genie service manual, in the original wording.
Possible causes
- MISSING CONTACTOR: Motor controller does not detect the main contactor PR1 or brake release relay CR5.
- MAIN CONT DNC: Main contactor PR1 or brake release relay CR5 did not close OR open in org/red wire to PR1 and/or CR5 OR main contactor and/or brake release relay is defective.
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
MISSING CONTACTOR: Consult Genie Product Support. MAIN CONT DNC: Consult Genie Product Support.
Source: Genie Service Manual Z-30/20N, Z-34/22, Z-45/25 DC, Curtis controller code table.
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 34 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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