E20
Fisher & Paykel
Internal Communication Fault (Main Control to Sub-Board)
Dryer displays E20, may not start or may stop with a beeping alarm
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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
Loose harness between main control and power board, Failed power board, Failed main control, Corroded connectors
How to Fix / Troubleshooting
Safety first: Unplug the dryer before accessing any electronic modules.
- 1. Power reset: Disconnect power for 10 minutes, then restore and test. If E20 returns, continue.
- 2. Access controls: Remove the top panel to access the main control and any separate power or motor control boards.
- 3. Reseat connectors: Disconnect and reconnect all harnesses between the main control and sub-boards, ensuring they are fully seated and locked.
- 4. Inspect for damage: Look for signs of overheating, corrosion, or moisture on the boards and connectors. Replace any obviously damaged board.
- 5. Board replacement: If wiring is intact and E20 persists, replace the power board or main control module as directed by the service manual.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Module
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