Troubleshooting; Symptoms That Are Not System Malfunctions; Symptom: A Sound Like Water Flowing Is Heard; Symptom: A Blowing Sound Is Heard - Daikin Siesta ATXP20M5V1B Mode D'emploi

7

Troubleshooting

If one of the following malfunctions occur, take the measures shown
below and contact your dealer.

WARNING

Stop operation and shut off the power if anything
unusual occurs (burning smells etc.).
Leaving the unit running under such circumstances may
cause breakage, electric shock or fire. Contact your dealer.
The system MUST be repaired by a qualified service person.
Malfunction
If a safety device such as a fuse, a
breaker or an earth leakage breaker
frequently actuates or the ON/OFF
switch does NOT properly work.
If water leaks from the unit.
The operation switch does NOT work
well.
If the user interface display indicates the
unit number, the operation lamp flashes
and the malfunction code appears.
If the system does NOT properly operate except for the above
mentioned cases and none of the above mentioned malfunctions is
evident, investigate the system according to the following
procedures.

INFORMATION

Refer to the user reference guide located on
www.daikineurope.com/support-and-manuals/product-
information/ for more troubleshooting tips.
If after checking all above items, it is impossible to fix the problem
yourself, contact your installer and state the symptoms, the complete
model name of the unit (with manufacturing number if possible) and
the installation date (possibly listed on the warranty card).
7.1 Symptoms that are NOT system
malfunctions
The following symptoms are NOT system malfunctions:
7.1.1 Symptom: A sound like water flowing is
heard
▪ This sound is caused by the refrigerant flowing in the unit.
▪ This sound may be generated when water is flowing away from
the unit during cooling or drying operation.
7.1.2

Symptom: A blowing sound is heard

This sound is generated when the direction of the refrigerant flow is
changed (e.g. when switching from cooling to heating).
7.1.3

Symptom: A ticking sound is heard

This sound is generated when the unit slightly expands or contracts
with changes in temperature.
7.1.4

Symptom: A whistling sound is heard

This sound is generated by the refrigerant flowing during defrost
operation.
ATXP20~35M5V1B
R32 split series
3P520336-7B – 2018.12
Measure
Turn OFF the main power
switch.
Stop the operation.
Turn OFF the power
supply.
Notify your installer and
report the malfunction
code.
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7.1.5 Symptom: A clicking sound during
operation or idle time is heard
This sound is generated when the refrigerant control valves or
electrical parts operate.
7.1.6

Symptom: A clapping sound is heard

This sound is generated when an external device sucks air out of the
room (e.g. exhaust fan, extractor hood) while the doors and windows
in the room are closed. Open the doors or windows, or turn off the
device.
7.1.7 Symptom: White mist comes out of a unit

(Indoor unit)

7.1.8

Symptom: The units can give off odours

The unit can absorb the smell of rooms, furniture, cigarettes, etc.,
and then emit it again.
7.1.9 Symptom: The outdoor fan rotates while
the air conditioner is not in operation
▪ After operation has stopped. The outdoor fan continues to
rotate for another 30 seconds for system protection.
▪ While the air conditioner is not in operation. When the outdoor
temperature is very high, the outdoor fan starts to rotate for
system protection.
7.2 Solving problems based on error
codes
When a problem happens, an error code appears on the user
interface. It is important to understand the problem and to take
measures before resetting an error code. This should be done by a
licensed installer or by your local dealer.
This chapter gives you an overview of all error codes and the
content of the error code as it appears on the user interface.
For a more detailed troubleshooting guideline for each error, please
see the service manual.
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Disposal

NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
7 Troubleshooting

Operation manual

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