6607
Moderate
Mitsubishi Electric · Mini-Splits & Ductless Systems
Indoor Fan Motor Lock
Quick Answer
Error code 6607 on your Mitsubishi Electric Mini-Splits & Ductless Systems means: Indoor Fan Motor Lock. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn off the unit and open the indoor unit cover to access the fan barrel
2
Check for any foreign objects lodged in the fan barrel and remove if found
3
Try to rotate the fan barrel by hand to check for binding (should spin freely)
4
Clean the fan barrel thoroughly with coil cleaner if heavily soiled
5
If the barrel is clean and free but the motor still does not run, the fan motor needs replacement by a licensed HVAC technician
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Indoor fan motor
Fan barrel (blower wheel)
Motor bearings
Coil cleaning solution
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