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Possible Trouble 4
Is it Heating Mode?
YES
Does the temperature
set all right?
YES
Is IC01M operated
normally?
YES
Is 4way-valve operated?
YES
Check the connector
(CN-OUT, CN-AC1.2)
: Ineffective Heating
NO
NO
NO
NO
–33–
Adjust operation mode.
Adjust set temperature
Change IC01M.
Check RY-4Way

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