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Symptom
LOSSNAY control switch does not work.
LOSSNAY air speed can not be controlled in interlock opera-
tion.
LOSSNAY control switch can not work during interlock operation.
LOSSNAY control switch is effective only while Mr. SLIM is not operat-
ing.
LOSSNAY fan speed is fixed to HIGH during interlock operation.
LOSSNAY fan speed LOW/HIGH can be switched only during LOSS-
NAY individual operation with the LOSSNAY contorl switch.
Cause
For LOSSNAY, troubleshooting refer to the LOSSNAY technical & service manual.
8.MR. SLIM/LOSSNAY INTERLOCK OPERATION
<Symptoms that are not malfunctions>
If any of the following symptoms occur, they are not malfunctions.
Vanes do not work.
Vane motor does not work.
Limit swtich does not work.
Connector is poorly connected.
Vane motor is poorly assembled.
Indoor controller board is damaged.
Unit stops after 5 to
20 seconds operation
Protection function is working.
Air discharge display
is OFF and air dis-
charge UP/DOWN
button does not oper-
ate.
Indoor controller board
deems the auto vanes
are not attached to the
unit.
Horizontal anlgle can
not be detected.
In this case, remote
controller is normal.
Power ON/OFF button
is not available.
Beep sound is heard,
but display is turned
OFF.
Beep sound is not
heard, and display
remains OFF.
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
Transmission wire is
damaged.
Connector is poorly
connected.
Indoor terminal block is
poorly connected.
Remote controller ter-
minal block is poorly
connected.
Vane motor is damaged.
Vane motor relay is damaged.
Limit switch is damaged.
The size of the cam is wrong.
Refer to check code on remote controller display.
See page 52.
Indoor controller is
damaged.
Dip switch setting is
wrong.
Indoor controller is
damaged.
Vane motor is dam-
aged.
Vane motor limit switch
is poorly connected.
Auto vane is wired after
power is turned to ON.
Vane motor limit switch
is damaged.
Vane motor is dam-
aged.
Poorly connected
Disconnected
7. OTHER TROUBLES AND CAUSES
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“CENTRALLY CONTROLLED” is displayed.
OC120--2.qxp 24/6/97 12:32 AM Page 58