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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 140-29 — Pump & Drive Controllers — Motor Temp Sensor Fault

Message on the display: Pump & Drive Controllers — Motor Temp Sensor Fault

Code 140-29 occurs in machines: Genie Z-45 DC, Z-45 FE.

warning / function limited

Controller IDs: 136=Pump [ECON] 137=Left Front [LF] 138=Right Front [RF] 139=Left Rear [LR] 140=Right Rear [RR]

Description from the Genie service manual, in the original wording.

Effect on the machine: MaxSpeed reduced (LOS, Limited Operating Strategy), and motor temperature cutback disabled.

Possible causes

  • Motor thermistor is not connected properly.
  • If the application doesn’t use a motor thermistor, Motor Temp Sensor Enable should be programmed Off.
  • See Monitor menu » Motor: Temperature and » Inputs: Analog2.

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

Set: Motor thermistor input (pin 8) is at the voltage rail (0 V or 10 V). Clear: Bring the motor thermistor input voltage within range.

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 140-29 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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