C
41
Moderate
Carrier · Central Air Conditioners & Furnaces
Blower Motor Fault
Quick Answer
Error code 41 on your Carrier Central Air Conditioners & Furnaces means: Blower Motor Fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Failed blower motor (open winding or seized bearings)
  2. Defective blower motor capacitor
  3. Loose or damaged wiring to blower motor
  4. Control board blower relay failure
  5. ECM blower motor communication fault
How to Fix It
1
Check power at the blower motor connector during a call for heat or cool
2
For PSC motors, test the run capacitor with a multimeter
3
For ECM/variable speed motors, check for 24VDC signal from control board
4
Spin the blower wheel by hand to check for binding or seized bearings
5
Check blower motor winding resistance with a multimeter (compare to manufacturer specifications)
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
Blower motor
Blower motor capacitor (PSC motors)
Motor mount hardware
Control board (if relay failed)
Related Error Codes
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