E8
Gastroback Compressor Start / PTC Relay Fault

E8 is displayed, fan may run but compressor does not start, or unit shuts down shortly after starting.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Failed PTC start relay, Faulty compressor winding, Loose compressor terminal connections, Burned start capacitor (if equipped)

How to Fix / Troubleshooting

Safety first: Unplug the ice maker. The compressor terminals carry mains voltage; only qualified persons should test them.

Basic checks:

  • Ventilation and power: Ensure the unit is on a dedicated outlet and not sharing power with heavy appliances. Poor voltage can cause start failures.
  • Listen for compressor: When powered on, listen for a brief hum followed by a click. Repeated clicking without running suggests a start relay or compressor issue.

Component-level checks (technician recommended):

  • Inspect the PTC relay and overload on the compressor for burn marks or cracking.
  • Test compressor windings with a multimeter for continuity and correct resistance.

Because this error involves high-voltage and sealed-system components, replacement of the PTC relay or compressor should be done by a professional.

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Repair Difficulty

Professional Required 5/5

Required Part

Compressor PTC Start Relay
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