Dometic CCC2 error code E6
Open-circuit humidity sensor (fitted only on select multi-zone CCC2 systems). Air conditioner and dehumidification are locked out; heat pump, furnace, heat strip, and fan continue to operate.
What to check, and in what order, is in the app. The flow Dometic CCC2 Diagnostic Mode — Output Test + Sensor/Config Read walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- DuoTherm_CCC2_Operating_3314149.txt
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