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Possible Trouble 5
Possible Trouble 6
: Ineffective Heating
: It does not operate forced operation.
Does 4-way operate?
Check Voltage of IC8 1pin
(DC 5V?)
Check Voltage of IC8
16pin (0V?)
Check the RY-4way and
4way VALVE
Is the F/PO key OK?
P.C.B pattern Check
Check and Exchange
IC3, RY1
Check P.C.B pattern
(to IC1 42pin)
Check and Exchange IC8
Exchange the F/OP key
NO
NO
NO
NO
YES
YES
YES
YES
Содержание LS-B0760CM/B0760HM
Страница 59: ... 59 Schematic Diagram 7K 9K 11K 12K 14K BTU Cooling Only Series ...
Страница 60: ... 60 7K 9K 12K BTU Cooling Heating Series ...
Страница 71: ...P NO 3828AR7036F Printed in Korea ...