E12
Baxi
Horizontal/Vertical Louver Motor Fault
Indoor unit shows E12; louver does not move or stops mid-position
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Possible Causes
Stuck louver blades, Faulty stepper motor for louver, Broken louver linkage, Faulty indoor PCB louver driver
How to Fix / Troubleshooting
Safety: Turn off the unit before manually moving louvers.
Steps:
- 1. Check for obstruction: Inspect the air outlet for objects blocking the louvers. Remove any debris.
- 2. Gently move louvers: With power off, gently move the louvers by hand to feel for stiffness or binding. Do not force them.
- 3. Inspect linkage: Remove the front cover to access the louver motor and linkage. Look for broken plastic arms or disconnected rods.
- 4. Test motor: Restore power and change louver swing settings. If the motor does not respond or makes clicking noises, it may be faulty.
- 5. Replace louver motor: Install a new Baxi louver stepper motor and reattach the linkage correctly.
Note: If the motor is good but not receiving voltage, the indoor PCB may need replacement.
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Repair Difficulty
Easy
2/5
Required Part
Louver Stepper Motor
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