Samsung AM160FNBFEB/EU, Руководство по обслуживанию

Страница: 199 / 334

T ro u b l eshooting
4- 5 4 S ams u ng El ectronics
4-4-9 El e c tro n i c Exp a n sio n V a lv e o p e n i ng m a lfunc tio n ( 2 n d sta g e ) -
×(O peration)
×(T
imer) ◑ (F an)
×(F
i l ter)
×(
Defrost)
t
F a ul t y I ndoor U nit EEV action. ( Refrigerant wi ll l eak into the stopped I ndoor U nit.)
t Refer to the ju dgment method be l ow.
Indoor unit display
Criteria
Cause of problem
Outdoor unit display
1 . H ow to diagnose
- D u ring C oo l ing operation , the temperat u re of the in l et or o u t l et of stopped H eat Ex changer is kept l ower than 0˚C for more than
2 0 min u tes witho u t cessation.
- Hy dro U nit : D u ring the defrost operation , detection from stop - side I ndoor U nit. (T emperat u re of the in l et of H eat Ex changer is
kept l ower than 0˚C for more than 2 0 min u tes witho u t cessation.)
2. H ow to check
1 st detection : P 70 3 (Ou tdoor U nit disp l a y on ly )
2nd detection : x x x (x x x : T
he address of the error occ u rred indoor u nit)
* H o w to t u r n o ff t h e Hy dro Un it E151
- Hy dro U nit P CB k 1, k2 switch : A t the same time p u sh for more than 4 seconds.
- A fter reso lv ing the ca u se of the error , restart operation.
(Ex cessi v e reset operation , can ca u se damage to the H eat Ex changer.)
전자 팽창밸브 정상 작동
Is the EE V wire connected to the P CB?
Yes
No
No
No
No
Yes
Yes
Yes
C onnect to P CB and restart operation.
C onnect the EE V coil properl y and
restart operation.
Is the EE V coil connected to the main bod y properl y?
A fter measuring
the coil terminal resistance, is there a disconnection or
short circuit inside the coil ?
Normal operation of EE V .
A fter Resetting
the O utdoor Unit, does an error occur even after
running it again with the same
combination ?
Replace EE V coil