Daikin FTKS50BVMB, Руководство по обслуживанию

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SiEN18-622 Troubleshooting for Outdoor Unit
Troubleshooting 375
7.14 Malfunction of Subcooling Heat Exchanger Thermistor
(R6T)
Remote Control
Display
J9
Applicable
Models
AII outdoor unit models
Method of
Malfunction
Detection
Malfunction is detected according to the temperature detected by subcooling heat exchanger
gas pipe thermistor.
Malfunction
Decision
Conditions
When the subcooling heat exchanger gas pipe thermistor is short circuited or open.
Supposed
Causes „
Faulty subcooling heat exchanger gas pipe thermistor (R6T)
„ Faulty outdoor unit PCB
Troubleshooting
∗
Refer to “Thermistor Resistance / Temperature Characteristics” table on P407.
(V 3 075)
Caution
NO
NO
YE S
YE S
Be su re to t u rn off power s witch b efore connect or di s connect connector,
or p a rt s d a m a ge m a y b e occ u rred.
Connect connector a nd oper a te
u nit a g a in.
Repl a ce thermi s tor (R6T).
Repl a ce o u tdoor u nit PC b o a rd
(A1P).
I s the
connector for
sub cooling he a t
exch a nger g as pipe
thermi s tor connected
to o u tdoor u nit PC
b o a rd (A1P)?
I s
the re s i s t a nce
me asu red a fter
removing the thermi s tor
(R6T) from o u tdoor u nit
PC b o a rd norm a l?
( 3 .5k
Ω
to
3 60k
Ω
)