Rheem Error Code A053: Fan Motor Open Circuit

Severity
Warning
Type
digital display
Where to look
front panel
Estimated repair cost: $250 — $600 (parts + labor)
Warning: Your Rheem HVAC system has detected a fan motor open circuit. It's safe to operate, but you should schedule a professional repair soon.

How to Fix Rheem Code A053

  1. Turn off your HVAC system at the thermostat and the main power switch.
  2. Contact a professional Rheem HVAC technician to diagnose and repair the issue.
  3. Do not attempt to open the unit or repair the issue yourself, as this could cause further damage or injury.

How to Reset Rheem Code A053

  1. Turn off the unit using the power button on the front panel.
  2. Turn off the gas supply valve.
  3. Turn off the circuit breaker supplying power to the unit. Wait 30 seconds.
  4. Restore power at the breaker, then open the gas valve.
  5. Turn the unit back on. If the error returns, the underlying issue needs repair.

What does A053 mean?

The A053 error on your Rheem HVAC system indicates that there's an open circuit in the fan motor's electrical system. This could be due to a broken wire, a faulty motor, or a problem with the motor's control board. The system is still running, but the fan motor isn't getting the power it needs to operate. It's important to address this issue promptly to prevent further damage to your HVAC system.

Affected Models

Replacement Parts

PartOEM NumberEst. Cost
Fan Motor RHEEM 381000547 —
Fan Motor Control Board RHEEM 381000546 —

Related Codes on Same Models

CodeDescriptionSeverity
A001 Ignition Failure Warning
A003 Abnormal Ignition Warning
A004 False Flame Detection Warning
A008 Exhaust Temperature High Warning
A011 No Flame Detected Warning
A021 Over-Temperature Warning
A031 Inlet Thermistor Open/Short Warning
A041 Outlet Thermistor Open/Short Warning
A043 Water Level Error Warning
A051 Fan Motor Abnormality Warning