AirStage ARXD07LATH Operating Manual - Page 8

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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:

Set the temperature lower

than the room tempera-

ture and use it:

In the following situations stop operation immediately and get in touch with authorized

service personnel.

G The problem cannot be solved even when the troubleshooting checks have been performed.

G The FILTER indicator lamp (red) is flashing very fast (when receiver unit is connected).

G The wired remote controller or simple remote controller indicate Er (when connected).

G It has burning smell.

G For details on marking the Flashing lamps, please refer to the Manual of "IR Receiver Unit" or "Wired Remote Control-

ler".

En-7

G Has there been a power failure?

G Has a fuse blown out, or a circuit breaker been tripped?

G Is the main power switch set to the OFF position?

G Are you trying to engage in an operation different from the priority state?

G Is it in standby state?

G Are you trying to change to an operation different from the priority conditions?

G Did you adjust the room temperature settings (thermostat) correctly?

G Is the air filter dirty?

G Are the air conditioner's inlet port or outlet port blocked?

G Is there a window or door open?

G In the case of Cooling operation, is a window allowing bright sunlight to enter?

(Close the curtains.)

G In the case of Cooling operation, are there heating apparatus and computers in-

side the room, or are there too many people in the room?

G Is the fan speed set to low?

G 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.)

Items to check

See Page

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