Rheem Error Code A054: Fan Motor Overcurrent
Warning: Your Rheem HVAC system has detected an overcurrent condition in the fan motor, which could lead to damage if not addressed.
How to Fix Rheem Code A054
- Turn off your HVAC system at the thermostat and the main power switch.
- Check the fan for any obstructions and remove them if possible.
- If the issue persists, call a professional HVAC technician.
How to Reset Rheem Code A054
- Turn off the unit using the power button on the front panel.
- Turn off the gas supply valve.
- Turn off the circuit breaker supplying power to the unit. Wait 30 seconds.
- Restore power at the breaker, then open the gas valve.
- Turn the unit back on. If the error returns, the underlying issue needs repair.
Resetting clears the code from the display but does not fix the underlying fault. If the code returns after reset, proceed to the diagnostic steps above.
What Does Rheem Error Code A054 Mean?
The Rheem A054 error code indicates that the fan motor in your HVAC system is drawing more current than it should. This could be due to an obstruction in the fan, a faulty motor, or an issue with the control board. It's important to address this issue promptly to prevent further damage to your system.
Common Causes
- Obstruction in the fan, such as dust or debris
- Faulty fan motor
- Issue with the control board
Diagnostic Steps
| If... | Check | Expected |
|---|---|---|
| HVAC system is running | Measure the current draw of the fan motor | Less than 1.5 amps |
| Fan motor is not running | Inspect the fan for any obstructions | No obstructions |
Applicable Rheem Models
- NCB(gas)
- NPE(electric)
- R801T(gas)
- R92E(electric)
- R92V(gas)
- RGE(gas)
- RH2T(electric)
- RNC(dual_fuel)
- RNE(electric)
- RNG(gas)
- RP16(electric)
- RPB(gas)
- RTGH(gas)
- Rheem Classic(gas)
- Rheem Classic 80 Plus(gas)
- Rheem Classic 80% Gas Furnace(gas)
- Rheem Classic 90 Plus(gas)
- Rheem Classic Plus Series(gas)
- Rheem Classic Series(dual_fuel)
- Rheem Prestige(gas)
- Rheem Prestige 95% Gas Furnace(gas)
- Rheem Prestige Series(gas)
Replacement Parts
| Part | OEM Number | Est. Cost | Where to Buy |
|---|---|---|---|
| Fan Motor | RHEEM 370100 | — | Find Part |
| Control Board | RHEEM 370050 | — | Find Part |
Related Codes on Same Models
Other codes that affect the same Rheem model families as A054.
| Code | Description | Severity |
|---|---|---|
| A001 | Ignition Failure | 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 |
| A052 | Fan Motor Speed Error | Warning |
| A053 | Fan Motor Open Circuit | Warning |
| A055 | Fan Motor Locked | Warning |
| A095 | DIP Switch Error | Warning |