HEX: 09 - Combustion air fan short circuit
Fault Details:
The combustion air fan has a short circuit to ground.
Recommended Solutions:
Electrical check of combustion air fan motor, cables, and plug, voltage. Inspect and look for worn-out/rubbed-off cables, misconnections, bent or kinked cables.
Note, different models and controllers might have different fault code meanings. If you're not sure, you can contact Heatso directly.
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