Daikin Super Multi NX C-Series, Руководство по обслуживанию, Страница: 182 / 298

SiE12-411 Troubleshooting
Service Diagnosis 171
Troubleshooting
Check No.6
Refer to P.207
Note: If the outside temperature is below –10°C in the cooling mode, the system may get interrupted
with error
A5 displayed. The system will be reset itself, but this stop will be put in the error history
memory.
NO
NO
NO
Check No. 6
Indoor
u nit he a t exch a nger
thermi s tor check
Check the int a ke a ir filter.
Check the a ir p assa ge.
YE S
YE S
(R1401)
Check the d us t a cc u m u l a tion on
the indoor u nit he a t exch a nger.
YE S
YE S
I s there a ny
s hort-circ u it?
I s it very dirty?
I s it very dirty?
Doe s it conform to
the thermi s tor ch a r a cteri s tic
ch a rt?
NO
Provide su fficient a ir p assa ge.
Cle a n the a ir filter.
Cle a n the he a t exch a nger.
Repl a ce the indoor u nit PCB.
Repl a ce the thermi s tor
(repl a ce the indoor u nit PCB).
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.