Genie DC and FE electric boom lifts (Z-60 DC, S-60 DC, Z-45 DC, Z-45 FE, Z-33/18 DC)
Genie error code 198-21 — Right Rear Speed Sensor — Fault
Message on the display: Right Rear Speed Sensor — Fault
Code 198-21 occurs in machines: Genie Z-60 DC, S-60 DC, Z-33/18 DC.
blocking fault
The Genie display shows code 198-21 with the message “Right Rear Speed Sensor — Fault”. It is a blocking fault or a safety-related code: do not use the machine until the cause has been found and removed.
Effect on the machine: Reduced drive speed Affected wheel locked
Possible causes
- Motor Sin/Cos encoder feedback signal fault
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 motor encoder Sin/Cos Check wiring (D185SEN WH, D186SEN BL, P109PWR, P110RET BK)
Source: Genie Service and Repair Manuals (Part No. 1307785, 1299608, 1297714, 1271125, 1268514), 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 198-21 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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