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Error code reference
Frigidaire Dishwasher Error Code E:28
Aqua sensor not properly calibrated; aqua sensor doesn't run during wash cycle.
SourceFrigidaire GV664400AD Dishwasher - Full Service Manualp. 68
Diagnostic procedure
The full E:28 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check continuity between aqua sensor (b5) and power module. Make sure aqua sensor is clean where it enters the sump.
SourceFrigidaire GV664400AD Dishwasher - Full Service Manualp. 68
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
1 manual in the MyPros+ library documents this code for Frigidaire dishwasher.
Models covered by the manuals that document this code
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