Check The Following Before Requesting Service - Daikin RXYMQ3AV4A Operation Manual

Check the following before requesting
service
Symptom
Safety equipment such as fuses,
circuit breakers, leakage breaker, etc.
are set off occasionally.
Operating switch function is not secure.
Water leaks from the air conditioner.
If the display " " (INSPECTION),
UNIT No." and the OPERATION
lamp flash and "MALFUNCTION
CODE" appears.
Symptom
The machine does not work at all.
The machine runs but stops soon.
The machine does not work
properly.
NOTE :
• Check the above items, and if the problem still cannot be fixed, contact your dealer for repair, stating the symptom(s) and
the model name.
17
Do not set power switch to on.
Set power switch to off.
Stop operation.
Inform your dealer of the contents of the display on the remote contoller.
INSPECTION
display
C a u s e
Blown fuse or open breaker
Power outage
Blocked air inlet or air outlet of the
indoor or outdoor unit
Blocked air inlet or air outlet of indoor
or outdoor unit
Improper temperature setting
Low fan speed setting
Improper air flow direction
Window or door open
Direct sunshine
Too many people in the room
Too many heat sources in the room
If the air filter clogged.
Action and contact
OPERATION lamp
UNIT No.
C
H
INDOOR UNIT No. in which a malfunction occurs
MALFUNCTION CODE
Replace the fuse or close the breaker.
If the main power supply is turned off
during operation, operation will restart
automatically after power turns back again.
Remove the obstacle.
Remove the obstacle.
See page 8.
See page 9.
See page 11.
Close.
Put up a curtain or blind over the window.
Refer to the instruction manual of
the indoor unit, and clean the air filter.
R e m e d y