RecPro RP-AC48V (Houghton AEOLUS) error code 4E
Outdoor DC fan (condenser fan) fault - no feedback/tach signal from the outdoor fan motor.
What to check, and in what order, is in the app. A step-by-step flow walks this code with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
Start free trial 14 days free, no card neededDocumented in
- RecPro_RP-AC48V-H3400_AEOLUS_H3400_Manual.txt
Related codes
- E5Poor performance / insufficient cooling or heating capacity (system…
- 0EOutdoor ambient temperature sensor fault - sensor open or shorted.
- 1EOutdoor coil (condenser) temperature sensor fault - sensor open or…
- 2EOutdoor discharge (exhaust) temperature sensor fault - compressor…
- 5EDC bus over-voltage protection - the 48 V supply exceeded the safe…
- 6EDC bus under-voltage protection - the 48 V supply dropped below the…
- 7ECompressor stall protection - the inverter detected the compressor…
- 8ECompressor locked-rotor protection - the inverter detected a…
All Air Conditioning (Rooftop) error codes · Look up another code