Eb0 Blower motor not running with a demand present

What the control is telling you

The circulator blower does not run even though there is a call.

Applies to: ComfortBridge communicating air handlers AVPTC**14 (B* revision board) and MBVC1201/1601/2001 modular blowers

Likely causes

• Loose or disconnected motor power leads
• Open or poorly connected inductor (3/4 HP and 1 HP models)
• Failed blower motor

Test and repair steps

1. Warning: Turn off power to the air handler before working on wiring or the blower.
2. Tighten or correct the motor power connections.
3. On 3/4 and 1 HP models check the inductor for continuity and its connections; replace if open or shorted.
4. Check the blower motor; replace if failed.

Models that show this code

21 models in Goodman/Amana ComfortBridge AVPTC/MBVC

Other codes on the same units

• E0F Condensate switch open - high water in drain pan
• E05 Air handler fuse open
• 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
• Eb5 Blower motor failed to start 10 times
• Eb6 Blower shut down for voltage or power module temperature