How To Check - Daikin FTX25JVEA9 Service Manual

Troubleshooting - Outdoor Unit Related
3.4

How to Check

3.4.1 Installation Condition Check
Check No.1
3.4.2 Discharge Pressure Check
Check No.2
300
Installation condition check
Check
the allowable
dimensions of the air suction
and discharge
area.
Normal
Does
the discharged
air from other outdoor
unit cause an increase of
the suction air
temperature?
NO
Is the heat exchanger
very dirty?
NO
Is
the air flow
blocked by obstacles
or winds blowing in the
opposite direction?
NO
Discharge pressure check
Is the stop valve open?
YES
Is the
connection pipe
deformed?
YES
At the
heat exchanger and
air filter dirty?
YES
Abnormal
YES
YES
YES
NO
NO
NO
Si18-201
Change the position of the
air discharge grille or the
installation location.
Change the position of the
air discharge grille or the
installation location.
Clean the heat exchanger.
Change the installation
location or direction.
Check the outside air
temperature (temperature
of air taken in by the
outdoor unit).
(The outside air
temperature shall be 43˚C
or lower.)
(MF030)
Open the stop valve.
Replace the pipe installed
at the site.
Clean.
Replace the compressor.
(MF031)
Service Diagnosis