00099
Carrier Transicold
Critical
Check Standby Contactor
Failure in the electric standby mode contactor coil or circuit.
Possible causes
- Inadequate external grid voltage
- Carbonized contactor points
- Open 115V/230V coil
Recommended actions
- Verify external power supply
- Visually inspect standby contactor
- Measure voltage at contactor input and output
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