Symptom
Cause
Checkpoint
Remedy
Ⅴ
Control is unstab
le (dur
ing chilled in r
ange control oper
ation).
The control
temperature is
unstable.
Faulty low
pressure
transducer LPT
Replace the LPT.
Correct
installation
of DCHS
Installation error
of EOS, EIS
and EGS?
Operating temperature
is hunting.
Is the difference
in pressure between the pressure
gauge and LPT 30 kPa
or more?
Is the DCHS or
heat insulation installed
inappropriately?
Installation check of RS and SS
Repair
Installation
of EOS,EIS
and EGS
YES
YES
YES
NO
NO
NO
Faulty discharge
pipe temperature
sensor DCHS
Pipe temperature
sensor fault
(
EOS,EIS,EGS
)
Air temperature
sensor fault
(
RS,SS
)
Temperature
continues to
decrease.
Stop of evaporator
fan
Condenser fan stop
Check the fan
motor.
Temperature continues
to decrease.
Check the SS and RS.
YES
NO
Temperature
continues to
increase.
・
Solenoid valve
HSV or RSV
remains open
(
dusts caught in
)
Excessive frost on
the evaporator
YES
Is outlet side
pipe of HSV or
DSV hot?
Check operation of the
HSV, RSV.
⇒
Replace the HSV,
RSV.
NO
Temperature continues
to increase.
Manual defrost
2-51
Содержание LX10F10A
Страница 1: ...TR 11 07 Service Manual DAIKIN INVERTER CONTAINER REFRIGERATION UNIT LX10F10A or later ...
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Страница 124: ...5 9 5 6 Sequence ...
Страница 125: ...5 10 Stereoscopic wiring diagram ...