HVACopediaGoodman · Air handler
Eb5 Blower motor failed to start 10 times
What the control is telling you
The blower failed to start 10 times in a row.
Applies to: ComfortBridge communicating air handlers AVPTC**14 (B* revision board) and MBVC1201/1601/2001 modular blowers
Likely causes
- Obstruction in the blower housing
- Seized motor bearings
- Failed blower motor
Test and repair steps
- Warning: Turn off power to the air handler before working on wiring or the blower.
- Check the wheel and housing for obstructions; repair or replace wheel/motor as needed.
- Spin the motor shaft by hand; replace the motor if it is tight or seized.
Models that show this code
21 models in Goodman/Amana ComfortBridge AVPTC/MBVC
Other codes on the same units
- Eb1 Control lost communication with the blower motor
- Eb2 Motor horsepower does not match shared data
- Eb3 Blower limiting on power, temperature or speed
- Eb4 Blower motor lost rotor control or high current
- Eb6 Blower shut down for voltage or power module temperature
- Eb7 Blower motor missing shared data / failed to start 40 times
- Eb9 Airflow lower than demanded
- EC1 Communication error with the outdoor unit
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Source: Goodman ComfortNet ASXC/GSXC/DSXC, ASZC/GSZC/DSZC, AVPTC/MBVC service manual, Air Handler Troubleshooting Matrix (B*) p.59-60. Summarized in our own words; check the original manual for your model.
Homeowner looking at this code? See what it means for you and when to call a technician.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.