dr2
Thermo King
Info
Door 2 Open / Door Switch 2 Failure (DSR)
Door 2 is detected open or door switch 2 reports a fault.
Possible causes
- Door left open
- Failed door switch
- Damaged switch wiring
- Misaligned door
Recommended actions
- Close the door
- Inspect switch and wiring
- Replace switch if defective
- Realign door if needed
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