00090
Carrier Transicold
Warning
Check AFA Solenoid Circuit
Problem in the air purifier solenoid circuit (AFA Solenoid).
Possible causes
- Burnt solenoid coil
- Corroded solenoid connector
- Blown control fuse
Recommended actions
- Measure solenoid coil resistance
- Inspect wires for abrasion or cuts
- Verify 12V presence during activation
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