Daikin FTKS20D3VMW, Руководство по обслуживанию, Страница: 283 / 355

Troubleshooting SiENBE12-713
272 Service Diagnosis
Troubleshooting
Check No.04
Refer to P.277
Check No.06
Refer to P.279
Reconnect in po s ition.
Open the s top v a lve.
Rep a ir the pipe fl a re or
repl a ce the squa re u nion.
Check the power tr a n s i s tor
h a rne ss for loo s ene ss .
Correct it as re qu ired. Al s o
repl a ce cr a cked pipe if a ny.
Check the pipe s for
improper cont a ct. Correct
as re qu ired. Al s o repl a ce
cr a cked pipe if a ny.
Repl a ce the electronic
exp a n s ion v a lve.
Repl a ce the room
temper a t u re or o u tdoor a ir
thermi s tor, or the indoor
u nit or o u tdoor u nit he a t
exch a nger thermi s tor.
(1) Repl a ce the PCB.
(2) Repl a ce the compre ss or.
Proced u re complete
(R5150)
Caution
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.
Any thermi s tor
di s connected?
YE S
M a lf u nctioning
NO
S top v a lve clo s ed?
NO
YE S
YE S
NO
G as s hort a ge error a g a in?
F u nctioning
Check No. 06
Check the thermi s tor s .
YE S
NO
Oil oozing a t intern a l piping?
NO
YE S
Check No. 04
Electronic exp a n s ion v a lve
f u nctioning?
YE S
NO
Oil oozing a t rel a y pipe
connection s ?
Check for g as le a k a ge.
Ch a nge for a s pecified a mo u nt of
fre s h refriger a nt.
NO
YE S
Compre ss or vi b r a ting
too m u ch?
* Di s ch a rge pipe thermi s tor
* Indoor / o u tdoor u nit he a t exch a nger thermi s tor
* Room temper a t u re thermi s tor
* O u tdoor a ir thermi s tor