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Error code reference

Whirlpool Dishwasher Error Code FCE6

Current Transformer B problem (dryer only, 240VAC appliances)

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What the FCE6 error code actually means

Your dishwasher has detected a problem with one of its electrical monitoring sensors, called Current Transformer B. This is most likely caused by a loose wire or connector in that part of the machine. A technician will need to inspect the wiring and possibly replace the sensor to get the dishwasher running again.

Diagnostic procedure

The full FCE6 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Unplug appliance or disconnect power and check all connections in Current Transformer B circuit. Fix/replace Current Transformer.
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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Most common causes of FCE6

Ranked by how often they cause this code
  1. 1Loose wiring connection in the Current Transformer B circuit
  2. 2Corroded or damaged connector terminals
  3. 3Failed Current Transformer B
  4. 4Damaged wiring harness
  5. 5Faulty control board

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Questions people ask about FCE6

What does FCE6 mean on a Whirlpool dishwasher?
FCE6 indicates a problem in the Current Transformer B circuit, most commonly caused by a loose electrical connection. The control board monitors this circuit to track current flow, and when it cannot read a valid signal, it triggers this fault code. The dishwasher will not operate normally until the issue is resolved.
Is it safe to use my dishwasher when FCE6 is displayed?
You should not continue operating the dishwasher while this fault code is active. The FCE6 code signals an abnormal condition in an electrical monitoring circuit, and running the appliance without resolving it could mask a more serious underlying electrical issue. Disconnect power and address the fault before resuming use.
How much does it cost to repair a Whirlpool dishwasher showing FCE6?
If the fix is simply reseating a loose connector, the cost may only involve a service call fee, typically in the range of $75 to $150 depending on your area. If the Current Transformer B needs to be replaced, parts and labor combined could bring the total to somewhere between $150 and $350. Costs will be higher if the control board is determined to be at fault.
Can I fix the FCE6 error code myself?
Checking for a loose connection is a reasonable first step for a knowledgeable DIYer, but power must be fully disconnected before inspecting any wiring. If tightening connections does not clear the fault, replacing the current transformer or diagnosing further into the circuit requires comfort working with appliance wiring. If you are unsure, a professional technician is the safer option.
Will resetting my Whirlpool dishwasher clear the FCE6 code?
A power reset may temporarily clear the code, but if the underlying problem in the Current Transformer B circuit has not been fixed, the code will return during the next cycle. Resetting without repairing is not a long-term solution. The loose connection or faulty component must be identified and corrected.

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