E8
Certikin
Memory / Configuration Error
E8 error; heater may show erratic behaviour after lightning or power surge.
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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
Corrupted firmware on Certikin control PCB, Incorrect parameter settings, Internal memory failure, Damage from electrical surge
How to Fix / Troubleshooting
Safety first: Isolate power before opening the control compartment.
- Power reset: Turn off power for at least 5 minutes to allow capacitors to discharge, then restore power.
- Factory reset: If the Certikin controller supports it, perform a factory reset following the installation manual.
- Check DIP switches / jumpers: Verify that any configuration switches or jumpers on the PCB are set according to the heater model and gas type.
- Surge protection: Consider installing surge protection on the supply to prevent future damage.
If E8 persists, the control PCB will likely need replacement by an authorised service agent.
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Repair Difficulty
Hard
4/5
Required Part
Certikin main control PCB
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