Service manual
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12.4 Resetting phenomenon often occurs during operation.
(That is automatically entering to the status when power is on.)
The reason is that the instantaneous voltage of main chip is less than 4.5V. Check according to the
following procedure:
Resetting phenomenon often occurs during operation.
After changing indoor PCB, check if the failure realease.
Yes
After changing indoor fan motor, check if the failure realease.
Yes
YES
Yes
Power supply circuit has problems.
Indoor PCB is defective.
12.5 Operation lamp flashes and Timer lamp off.
12.6 Operation lamp flashes and Timer lamp on.
Summary of Contents for MSG-05CR
Page 2: ......
Page 16: ...Service manual 12 5 Refrigerant cycle diagram Cooling only Heat pump mode...
Page 18: ...Service manual 14 However excludes the initial pull down stage...
Page 19: ...Service manual 15 7 Schematic diagram and Wiring diagram 7 1 Schematic diagram...
Page 23: ...Service manual 19 7 2 2 MSG 07HR MSG 09HR MSG 12HR...
