Applicable Systems
SKY-2
Symptoms
The elevator reports a door photoelectric fault. The door safety photoelectric sensor is malfunctioning.
Possible Causes
- Photoelectric lens contaminated
- Sensor mounting shifted from impact
- Sensor element or wiring failure
Troubleshooting Steps
- Step 1: Clean the photoelectric sensor lenses
Lenses are clean and unobstructed - Step 2: Verify sensor mounting and alignment
Sensor is correctly aligned - Step 3: Test sensor output and wiring
Signal is correct and wiring is intact
How to Reset
To reset: Repair the door photoelectric sensor, then clear the fault.
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Source: Otis Elevator Service Manual, Otis Worldwide Corporation
Category: Elevator
Published: 2026-10-16
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