For Service Engineers
Service Information
SI1906002E-001=YSP10 installation and adjustment procedures
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12.8. Check the operation of the air conditioning unit and temperature sensor
Check the air conditioning unit operation.
1. Turn on the main switch of the air conditioning unit.
2. Press the [RUN/STOP] button on the display located at upper right part of the air conditioning unit
to run the unit.
3. Check that conditioned air is emitted from the vent on top of the air conditioning unit.
Check the operation of float sensor in the drain tank.
1. Press the [RUN/STOP] button on the display located at upper right part of the air conditioning unit
to run the unit.
2. Pull out the drain tank placed at lower part of the air conditioning unit.
3. Pull up to remove the float sensor in drain tank.
4. Raise the float switch by the finger to confirm that the air conditioner indicates an error status
(C090).
Pull out above.
Raise the floating
switch by finger.
Check the vent
for emitted air.
[RUN/STOP] button
