Daikin LXE10E-A - Page 147

6-5
Symptom Checkpoint RemedyCause
Compressor internal
leak
The high
pressure is
excessively
high
Solenoid valve
internal leak
Reverse rotation of
condenser fan
Ambient
temperature is high
Short circuit
Is the condenser
water-cooled?
Low water level
Water temperature
is high
Clogged heat
exchanger of
condenser
Entering air
Overcharge
Wrong refrigerant
type
Check for leak from
solenoid valve during pull-down. Is the
temperature in the piping on the BSV, HSV,
and DSV outlet side high?
Does the condenser
fan rotate reverse?
Leak from solenoid valve
⇒Replace the solenoid valve
BSV: Discharged gas bypass solenoid valve
HSV: Hot gas solenoid valve
DSV: Defrost solenoid valve
Check the wiring on secondary side
of solenoid contactor for condenser fan
Is the discharge air
temperature at condenser
50˚C or higher?
Out of operation range
Restore short circuit at discharge air
Is the condenser water-cooled?
Visually check for clog
and dirt at the fin of air
cooled condenser
Clogged
⇒cleaning
Check for entering of air
referring to clause 4.1.4 (2)
Trap of air,
wrong
refrigerant
type
⇒Replace the
refrigerant
Overcharge
Entering of air,
wrong
refrigerant
type
⇒Replace the
refrigerant
Check for leak from
the solenoid valve
S-PTI alarm J101?
(P10)
Faulty compressor
⇒Replace the compressor
Overcharge⇒Replace the refrigerant
Water cooling: Water temperature is high, water cooled condenser is dirty
⇒Check the facility, or clean orreplace the water cooled condenser
Is the water piping
valve fully open?
YES
Low water level
⇒Check the facility
Is the HPS operated?
YES
NO
NO
Fully open the valve
YES
NO
YES(Reverse rotation)
NO(Normal rotation)
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
Ⅲ Inside temperature does not drop
06LXE10E-A(1-27)07.2.233:11PMページ6-5
https://daikin-p.ru