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error Frigidaire
Error Code ER
General error code indicating a fault condition in the dishwasher.
? What Causes This
Various issues including control board errors or sensor faults.
✓ How to Fix It
Press and hold the cancel button or turn off the power to the dishwasher for five minutes to clear the error code.
Source: page 32 of the official manual
From the manual
This error code appears in:
Frigidaire Professional Series PDSH4816AF Dishwasher