507
Thermo King
Critical
Check Digital Scroll Output Circuit (Scroll Only)
A fault has been detected in the digital scroll compressor output control circuit.
Possible causes
- Defective loading/unloading solenoid valve
- Scroll control module failure
- Open circuit in digital solenoid
Recommended actions
- Verify scroll solenoid coil resistance
- Test manual valve activation via controller
- Inspect wiring integrity to compressor
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