R-Pro › Field cases › Refrigeration systems
Condenser Fan Power Wiring / Contact Failure
Likely causes
Fan power fuse blown
Check: Check and replace fan power fuse
What to do: Check and replace fan power fuse → Measure wiring continuity → Check connector and terminal contact, reconnect if loose → Verify relay operation → Confirm fan starts and high-side pressure after repair
Wiring break or connector disconnection
Check: Measure wiring continuity
What to do: Measure wiring continuity → Check connector and terminal contact, reconnect if loose → Verify relay operation → Confirm fan starts and high-side pressure after repair
Fan power not output from relay failure
Check: Check connector and terminal contact, reconnect if loose
What to do: Check connector and terminal contact, reconnect if loose → Verify relay operation → Confirm fan starts and high-side pressure after repair
Power is not being supplied to the condenser fan motor. Inspect wiring and contact quality.
All 565 cases work offline in R-Pro, with error codes for 62 brands and P-T data for 108 refrigerants.
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