105
Thermo King
Critical
Check Receiver Tank Press Sol Circuit
Electrical failure in the receiver tank pressure solenoid valve circuit.
Possible causes
- Open or burnt solenoid coil
- Interrupted signal wiring
- Microprocessor output failure
- Oxidized valve connectors
Recommended actions
- Measure solenoid coil resistance (must be stable)
- Verify voltage reaching coil during operation
- Review interface module connections
- Replace coil if found defective
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