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-24CR
Page 1: ...MSG 24CR MSG 24HR MSG 30CR MSG 30HR MSG 36CR MSG 36HR...
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 20: ...Service manual 16 7 2 Wiring diagram 7 2 1 Cooling mode MSG 24CR MSG 30CR...
Page 21: ...Service manual 17 MSG 36CR...
Page 22: ...Service manual 18 7 2 2 Heating mode MSG 24HR MSG 30HR A1 A2...
Page 23: ...Service manual 19 MSG 36HR A1 A2...
Page 24: ...Service manual 20 7 2 3 Cooling mode 3 Ph MSG 30CR 3ph...
Page 25: ...Service manual 21 MSG 36CR 3ph...
Page 26: ...Service manual 22 7 2 4 Heating mode 3 Ph MSG 30HR 3ph 1 7 3 4 5 6 2...
Page 27: ...Service manual 23 MSG 36HR 3ph...
