Fujitsu General's Airstage VRF and Halcyon splits are common in APAC and ANZ. HVAC API's Fujitsu support is in beta with stable reads via Airstage gateways and FGLair cloud control for residential equipment.
HVAC · beta
Fujitsu
ModbusBACnetREST
Device families
-
Airstage VRF
3 endpoints
-
Halcyon Split
2 endpoints
Endpoints & snippets
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Airstage VRF
- GET /v1/devices/{id}/temperature
- POST /v1/devices/{id}/setpoint
- POST /v1/devices/{id}/mode
curl -H "Authorization: Bearer $HVACAPI_KEY" \
https://api.hvacapi.com/v1/devices/{device_id}/setpoint
Halcyon Split
- GET /v1/devices/{id}/temperature
- POST /v1/devices/{id}/mode
Fault codes & error codes
10 codes documented for Fujitsu. Confirm against your model's service manual — some codes vary between product lines (VRV vs. Sky Air vs. residential split, etc.).
10
| Code | Meaning | Severity |
|---|---|---|
| E:04 | Indoor unit fan motor fault (lock or speed abnormal) Ask AI to troubleshoot → | critical |
| E:OA | High-pressure protection trip Ask AI to troubleshoot → | critical |
| E:OC | Compressor discharge temperature too high Ask AI to troubleshoot → | critical |
| E:OE | Indoor↔outdoor communication error Ask AI to troubleshoot → | critical |
| E:OH | Inverter abnormality (IPM / IGBT fault) Ask AI to troubleshoot → | critical |
| E:00 | Indoor unit signal reception error (remote controller communication) Ask AI to troubleshoot → | warning |
| E:08 | Indoor heat-exchanger thermistor fault Ask AI to troubleshoot → | warning |
| E:09 | Indoor return-air thermistor fault Ask AI to troubleshoot → | warning |
| E:0L | Outdoor unit thermistor (TE / TL) fault Ask AI to troubleshoot → | warning |
| E:12 | Drain level sensor abnormal or drain-pump failure Ask AI to troubleshoot → | warning |
No codes match — try a different search term or open the brand's service manual.