45
Thermo King
Warning

Check Hot Gas or Hot Gas Bypass Circuit

Electrical failure detected in the hot gas bypass circuit.

Possible causes

  • Burned hot gas solenoid coil
  • Defective hot gas relay
  • Open or shorted wiring
  • Sulfated connectors

Recommended actions

  • Measure bypass solenoid resistance
  • Verify voltage at coil during heat cycle
  • Test corresponding relay on the controller
  • Clean electrical connections

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