Heat Controller A-HMC09AS Service Manual page 50

Wall mounted mini-split system air conditioning/heat pump
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5. When Indoor Fan does not operate.
Does the voltage of each terminals of CN-MOTOR CONNECTOR in
Indoor unit corresponds to values in the Table of page 51?
Does the voltage of terminal of CN-DC/DC CONNECTOR in
Indoor unit corresponds to the values in the table of page 51?
Do the voltage of terminal of
CN-DC/DC CONNECTOR in
Outdoor unit corresponds to the
values in the table of page 51?
NO
Check the patterns and the
conditions of outdoor unit
PWB Assy's.
※ Indoor Fan may be stopped in the Soft Dry Mode(change to the Cooling Operation Mode).
※ Indoor Fan is to be stopped when Indoor pipe(coil) termperature is lower than 79°F.
(At that times, Defrost indicator is turned on)
Check the pattern and the
condition of Indoor unit PWB
Ass'y.
Check the connecting condi-
tion and disconnection of
connecting wires between
Indoor and Outdoor unit.
Check connecting condition of the CN-MOTOR CON-
NECTOR
Check the interference of Indoor Fan.
Check the motor of Indoor Fan
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