ER Moderate Hard — consider a tech

Frigidaire Dishwasher ER — General electronic control fault

Frigidaire Dishwasher · Error code ER

What ER Means

A non-specific control board error. The board detected a self-test or memory fault it can't categorize.

Symptoms

  • ER on display, no useful sub-code
  • Cycle won't start or aborts immediately
  • Random button behavior

Common Causes

1
Voltage spike or brownout damaged board memory

Storm or generator transient corrupted control firmware state.

2
Moisture on the control board

Steam ingress from a worn door gasket.

3
Failed control board

Component-level failure with no diagnostic granularity.

How to Fix It

  1. Power off at the breaker for 10 minutes to attempt a hard reset.
  2. Inspect the control board area for moisture, corrosion, or burn marks.
  3. Reseat all harness connectors at the board.
  4. If ER returns immediately on power-up, replace the main control board.
  5. Consider adding a surge protector to the dishwasher circuit.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Frigidaire dishwasher main control board View on Amazon→

More Frigidaire Dishwasher Codes

Cd Cd — Clean indicator CL CL — Close the door Hot Hot — Water inlet too hot HS HS — Heater sensor fault i10 i10 — Water Not Detected (Fill) i20 i20 — Drain Blocked

All Frigidaire codes → All dishwasher codes →

Verified against manufacturer documentation: frigidaire.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.