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4. Service procedures
1
2
3
4
Section
– 100 –
SM830076
Important
NOTE
Set the Operation Selector at the “ON” position. Other-
wise the unit will stop or will not run correctly.
The TEST RUN switch is used
only for servicing the air
conditioner. DO NOT use this
switch for normal operation.
Otherwise, it may put stress
on the system.
● During the test run, all of the 3 indicator lamps on the
indoor unit will flash.
● During the test run, the air conditioner runs continu-
ously and the thermostat does not control the sys-
tem.
● To protect the air conditioner from overloading, the
outdoor unit will not start running for 3 minutes after
power is applied or the air conditioner is turned off
and then back on.
● When the air conditioner fails to start the test run, 1
or more of the 3 alarm indicator lamps on the indoor
unit will flash.
CAUTION