dE
Coleman
Ozone Generator / Accessory Device Error
Display shows dE or DE, ozone or accessory device not functioning.
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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 ozone generator, Shorted accessory output, Incorrect accessory wiring, Control board accessory driver fault
How to Fix / Troubleshooting
Safety first: Turn off power at the GFCI breaker before working on ozone or accessory wiring.
- 1. Identify accessory: Determine which accessory (ozone generator, circulation booster, etc.) is connected to the DE-labeled output on the Coleman control pack.
- 2. Inspect ozone generator: Check the Coleman ozone unit for water intrusion, cracked housing, or burned smell. Replace if damaged.
- 3. Isolation test: Disconnect the ozone/accessory from the control pack and restore power. If dE clears, the accessory is likely faulty.
- 4. Board output check: If dE persists with the accessory disconnected, the control board's accessory driver may be defective and the board will need replacement.
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Repair Difficulty
Hard
4/5
Required Part
Ozone Generator
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