E7 Daikin — Outdoor Fan Motor Fault
At a glance
- Severity
- FAULT STOP
- Domain
- AIR_CONDITIONING_SYSTEM
- Reference standard
- EN 60335-2-40
- Product / context
- Outdoor Fan Motor Fault
What it means
The controller detects an abnormal outdoor fan condition: no rotation, unstable speed or missing feedback.
Probable causes
- Faulty brushless fan motor
- Oxidized connectors or damaged wiring between motor and board
- Faulty fan driver board or mechanically blocked blade
Full guided diagnosis in the app
The diagnostic tree for this fault has 3 guided steps with measurements, checks and resolutions. You'll find it in HVACIQ, one of the five IndexOS apps: free, works offline.
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