24
AE-X4M30PU
3) When all rooms are not heated
Does the air get cooler in the
cooling operation mode?
Check the four-way valve.
Has the cycle been switched?
Is AC230V applied between
the connector(CN4) 1 and 3
of the 4-way valve ?
Replace the 4-way valve.
Pressure check
The heating cycle is normal.
Refer to 1 All rooms are
not cooled.
Press the ON switch on the remote
control to run the air conditioner.
Set the temperature to 86ºF(30ºC)
in the heating mode and start
operation.
Is the outdoor compressor running?
Yes
Yes
To
No
No
Yes
Yes
No
No
A
Summary of Contents for AE-X4M30PU
Page 34: ...34 AE X4M30PU ...
