Midea MSG-12HR - Operation Lamp off and Timer Lamp Flashes; Operation Lamp on and Timer Lamp Flashes; Operation Lamp Flashes, Timer Lamp Flashes

Service manual
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12.7 Operation lamp off and Timer lamp flashes
12.8 Operation lamp on and Timer lamp flashes
EEROM error, indoor PCB is defective.
12.9 Operation lamp flashes, Timer lamp flashes .
This is alarm signal when the main chip can’t detect over-zero signal. When such failure occurs, the
main control board must have fault.