Applicable Systems
SKY-2
Symptoms
The elevator reports a load weighing device fault. The load sensor is not reading correctly.
Possible Causes
- Load cell element damaged or degraded
- Load cell wiring or connector corroded
- Load cell amplifier calibration drift
Troubleshooting Steps
- Step 1: Test the load cell output signal
Signal matches the actual car load - Step 2: Inspect wiring and connectors
Connections are clean and secure - Step 3: Recalibrate the load weighing system
System reads accurately across the load range
How to Reset
To reset: Repair and recalibrate the load weighing device, then clear the fault.
Source: Otis Elevator Service Manual, Otis Worldwide Corporation
Category: Elevator