Daikin FVKS25BVMB, Service Manual

Page: 130 / 184

SiBE06-514A Check
Service Diagnosis 121
5.1.6 Installation Condition Check
Check No.07
5.1.7 Discharge Pressure Check
Check No.08
Installation condition check
Normal
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.)
Check
the allowable
dimensions of the air suction
and discharge
area.
Is
the air flow
blocked by obstacles or
winds blowing in the
opposite direction?
(R1438)
Abnormal
YES
YES
YES
Does
the discharged
air from other outdoor
unit cause an increase of
the suction air
temperature?
NO
NO
NO
Is the heat exchanger
very dirty?
Discharge pressure check
Replace compessor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R1443)
YES
YES
YES
NO
NO
NO
NO
At the heat exchanger and
air filter dirty?
Is the stop valve open?
Is the
connection pipe deformed?
YES
High