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6. TROUBLE SHOOTING
c. The fan motor fails;
d. The indoor control board fails
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Detecting
failures by
zero-crossing
The indoor control board fails
The failure is detected when the room temperature sensor broken or shorted over 5 sec.
The failure is detected when the temperature sensor of heater exchange is broken or shorted over 5 sec.
The failure is detected when each setting data is not a match after the EEPPOM self-check two times.
The failure occurs when the grounding signal is not detected after the appliance is powered ON.