Mitsubishi Electric Mr.SLIM PEH Series Technical & Service Manual page 48

7. OTHER TROUBLES AND CAUSES
Unit stops after 5 to
20 seconds operation
Power ON/OFF button
is not available.
8. MR. SLIM/LOSSNAY INTERLOCK OPERATION
<Symptoms that are not malfunctions>
If any of the following symptoms occur, they are not malfunctions.
LOSSNAY control switch does not work.
LOSSNAY air speed can not be controlled in interlock opera-
tion.
For LOSSNAY, troubleshooting refer to the LOSSNAY technical & service manual.
48
Protection function is working.
Beep sound is heard,
but display is turned
OFF.
Beep sound is not heard,
and display remains
OFF.
"CENTRALLY CONTROLLED" is displayed.
Symptom
Refer to check code on remote controller display.
See page 43.
Indoor/outdoor connect-
ing wire is connected
incorrectly.
Indoor/outdoor connect-
ing wire shorts.
Compressor protector is
damaged.
Deicer is broken.
Remote controller is
damaged.
Transmission wire is
poorly connected
LOSSNAY control switch can not work during interlock opera-
tion.
LOSSNAY control switch is effective only while Mr. SLIM is not
operating.
LOSSNAY fan speed is fixed to HIGH during interlock opera-
tion.
LOSSNAY fan speed LOW/HIGH can be switched only during
LOSSNAY individual operation with the LOSSNAY contorl
switch.
Transmission wire is
damaged.
Connector is poorly
connected.
Indoor terminal block is
poorly connected.
Remote controller ter-
minal block is poorly
connected.
Cause