AirStage AUUA12RLAV Instrukcja obsługi - Strona 5

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1. Troubleshooting

TROUBLESHOOTING

The following conditions are not breakdowns or operation failures.

Symptom

Doesn't operate immediately:

Airﬂ ow is weak or stops:

Flashing lamps:

Noise is heard:

Smells:

Fog comes out of the indoor unit: During Cooling operation, a thin mist may be seen emitted from the indoor unit. This results from the

Steam comes out of the indoor

unit:

Water is produced from the

outdoor unit:

If the unit is stopped and then immediately started again, the compressor will not operate for about 3

minutes, in order to prevent fuse blowouts.

Whenever the electrical breaker is turned off then on again, the protection circuit will operate for

about 3 minutes, preventing unit operation during that period.

When Heating operation is started, indoor unit's fan may temporarily stop, to allow internal parts to

warm up.

During Heating operation, if the room temperature rises above the thermostat setting, the outdoor

unit will stop, and the indoor unit's fan will stop. If you wish to warm the room further, set the thermo-

stat for a higher setting.

During oil recovery operation, the airﬂ ow may stop for approximately 10 minutes.

During Heating operation, the unit will temporarily stop operation (between 4 and 15 minutes) as the

Automatic Defrosting mode operates.

The fan may operate at low speed during Dry operation or when the unit is monitoring the room's

temperature.

In the monitor AUTO operation, the fan will operate at low speed.

The OPERATION indicator lamp

(green) ﬂ ashes:

The OPERATION indicator lamp

(green) ﬂ ashes:

The OPERATION indicator lamp

(green) and TIMER indicator lamp

(orange) are ﬂ ashing alternately:

The OPERATION indicator lamp

(green) and TIMER indicator lamp

(orange) are ﬂ ashing simultane-

ously:

The OPERATION indicator lamp

(green) lights up and the TIMER

indicator lamp (orange) ﬂ ashes:

In the following conditions there are sounds of water ﬂ owing from the indoor unit and the operation

sound becomes loud. These are the sounds of the ﬂ owing of refrigerant.

When operation starts

When oil recovery operation ﬁ nishes

When automatic defrosting operation ﬁ nishes

During operation, a slight squeaking sound may be heard. This is the result of minute expansion and

contraction of the panel due to temperature changes.

During Heating operation, a sizzling sound may be heard occasionally. This sound is produced by

the Automatic Defrosting operation.

Some smell may be emitted from the indoor unit. This smell is the result of room smells (furniture,

tobacco, etc.) which have been taken into the air conditioner.

sudden Cooling of room air by the air emitted from the air conditioner, resulting in condensation and

misting.

During Heating operation, the outdoor unit's fan may stop, and steam may be seen rising from the

unit. This is due to the Automatic Defrosting operation.

During Heating operation, water may be produced from the outdoor unit due to the Automatic De-

frosting operation.

Problem

An oil recovery operation is being performed.

An automatic defrosting operation is being performed.

It has recovered from a power outage.

It is operating in trial operation mode.

Ask a manager as there may be maintenance being conducted.

This is the standby state.

See page

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