Daikin Sky Air B-Series R-410A Service Manual page 201

Troubleshooting for Outdoor Unit (25/35 class)
6.15.5 Installation Condition Check
Check No.7
6.15.6 Discharge Pressure Check
Check No.8
190
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
High
YES
Is the stop valve open?
YES
Is the
connection pipe deformed?
YES
Are the heat exchanger and
air filter dirty?
Not dirty
Abnormal
YES
YES
YES
NO
NO
NO
Dirty
Si21-205
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.)
(R1438)
Replace compessor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R3049)
Troubleshooting