Mitsubishi Heavy Industries SRK50ZJ-S User Manual download pdf (Page 21)

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Airflow is not blown out for 5 to 10 min. or blown out not

warm wind for a moment at HEATING operation.

RUN light blinks slowly

(1.5 sec ON, 0.5 sec OFF)

Notice

The unit does not restart immediately after you have

stopped it.

(RUN light is on)

Not

operating?

Airflow is not blown out when starting the HEATING

operation.

RUN light blinks slowly

(1.5 sec ON, 0.5 sec OFF)

Airflow has stopped to prevent blowing out of cold air until the indoor

heat exchanger has warmed up. (2 to 5 min.) (HOT KEEP program)

When outdoor temperature is low and humidity is high, the unit some-

times performs defrosting automatically. Please wait. During defrost-

ing, water or steam may escape from the outdoor unit.

Airflow is not blown out when starting the DRY operation.

(RUN light is on)

The indoor fan may stop to prevent re-evaporation of dehumified

moisture and to save energy.

Some steam escapes during COOL operation.

This may occur if the room's temperature and humidity are very high.

It disappears as soon as the temperature and humidity decrease.

Restart is blocked for 3 minutes after you have stopped the operation

to protect the unit.

The three-minute protection timer in the microcomputer automatically

starts it up again.

Please wait for

three minutes.

If the unit is operated for a long time in high humidity, moisture may

form on the air outlet grills and start dripping.

You hear a slight gurgling sound.

This is caused by refrigerating liquid moving within the unit.

You hear a slight cracking sound.

This is caused by heat expansion or contraction.

Remote control signals may not be received if the signal receiver on

the air-conditioner is exposed to direct sunlight or other bright light.

If so, cut out the sunlight or reduce the other light.

After a power cut, the unit does not restart even if power has been

restored.

If the auto restart function is not set, the unit will not restart

automatically. Use the remote control to start the operation again.

Remote control signals are not received.

Moisture may form on the air outlet grills.

There is a slight smell.

Air blown out during operation may smell. This is caused by tobacco

or cosmetics adhering to the unit.

You hear a hissing or clicking sound.

This is caused by the operation of the refrigerant control valves or

electric components.

The noise means that the revolution speed of the compressor is

increasing or decreasing.

Whistling noise is heard from the outdoor unit.

Indoor fan :

Fan will not stop after 2 hours if set to CLEAN operation.

Outdoor fan : Fan will not stop about a 1 minute period in order to

protect the unit.

Fan won't stop immediately after unit operation was

stopped.

The RUN light illuminates during CLEAN operation.

Run light turns off when CLEAN operation ends.

RUN light stays on even though operation was stopped.

This is the sound when operation of another indoor unit is stopped.

Sometimes a “Shooooo” sound might come for a short time

from the unit that is turned off.

RLA012A013_EN_001-022 08/04/2009, 10:4620

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Mitsubishi Heavy Industries SRK50ZJ-S User Manual Page 21

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