Display shows E3; ice maker stops mid-cycle or never completes harvest

Safety first: Unplug the unit before cleaning or removing panels. Do not attempt to tap into the sealed refrigeration system unless you are EPA-certified.

• Step 1 – Clean condenser coil: Pull the unit forward, remove the lower front grille, and use a soft brush and vacuum to remove dust and lint from the condenser coil. Ensure the condenser fan spins freely.
• Step 2 – Check ventilation: Verify that the ice maker has proper clearance per Viking specs and that cabinet vents are not blocked. Overheating can cause long freeze times and E3 errors.
• Step 3 – Inspect evaporator plate: With the front panel removed and power restored, observe a cycle. The evaporator plate should frost evenly. Heavy frost only at the inlet or no frost suggests a sealed system issue.
• Step 4 – Verify evaporator thermistor: If your model uses a thermistor for freeze timing, test it as in the E1 procedure. Replace if out of spec.
• Step 5 – Technician-only sealed system work: If the compressor is running but the evaporator does not frost properly, or if you hear hissing/gurgling and see oil stains on tubing, the unit may have a refrigerant leak or weak compressor. This requires a professional technician to recover refrigerant, repair leaks, evacuate, and recharge to Viking specifications.

After cleaning and any sensor replacement, clear the code by power cycling and monitor a full cycle to ensure the E3 fault does not return.