AirStage ARXA25L, Operating Manual

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En-7
TROUBLESHOOTING
The following conditions may not be breakdowns so check again.
Symptom
Doesn’t operate at all:
The operation mode
cannot be changed:
Poor Cooling
(or Heating)
performance:
See page
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Items to check
●
Has there been a power failure?
●
Has a fuse blown out, or a circuit breaker been tripped?
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Is the main power switch set to the OFF position?
●
Are you trying to engage in an operation different from the priority state?
●
Is it in standby state?
●
Are you trying to change to an operation different from the priority conditions?
●
Did you adjust the room temperature settings (thermostat) correctly?
●
Is the air filter dirty?
●
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?
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 OPERATION indicator lamp (red) is flashing very fast (when receiver unit is connected).
●
The wired remote controller or simple remote controller indicate EE (when connected).
●
It has burning smell.
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