En-5
The following conditions may not be breakdowns so check again.
Symptom
Items to check
See page
Doesn’t operate at all:
Has there been a power failure?
●
—
Has a fuse blown out, or a circuit breaker been tripped?
●
—
Is the main power switch set to the OFF position?
●
—
Are you trying to engage in an operation different from the priority state?
●
2
Is it in standby state?
●
2
The operation mode cannot be
changed:
Are you trying to change to an operation different from the priority conditions?
●
2
Poor Cooling (or Heating)
performance:
Did you adjust the room temperature settings (thermostat) correctly?
●
—
Is the air
fi
lter dirty?
●
3
Are the air conditioner’s inlet port or outlet port blocked?
●
—
Is there a window or door open?
●
—
In the case of Cooling operation, is a window allowing bright sunlight to enter? (Close the curtains.)
●
—
In the case of Cooling operation, are there heating apparatus and computers inside the room, or
●
are there too many people in the room?
—
Is the fan speed set to low?
●
—
Set the temperature lower than
the room temperature and use it:
Temperature does not fall down well.
●
Temperature may not fall down depending on the room conditions.
(While high humidity or the room temperature is high.)
2
In the following situations stop operation immediately and get in touch with authorized service personnel.
The problem cannot be solved even when the troubleshooting checks have been performed.
●
The FILTER indicator lamp (red) is
fl
ashing very fast (when receiver unit is connected).
●
The wired remote controller or simple remote controller indicate Er (when connected).
●
It has burning smell.
●
For details on marking the Flashing lamps, please refer to the Manual of “IR Receiver Unit” or “Wired Remote Controller”.
●
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2011-12-21 16:13:06
2011-12-21 16:13:06
Summary of Contents for ARUL12RLAV
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