Sharp SJ-FS810V-WH, Руководство по обслуживанию, Страница: 23 / 48

SJFS810VWH
23
After approx. 15 sec., the voltage measured
across and of CN1 on the main PWB
is equal to supplied voltage? (e.g. 240 V)
(Defrosting diagnosis)
Replace main PWB.
Replace fuse Assy.
NO
YES
NO
YES
YES
NO
YES
NO (Open)
Forced defrosting (Measurement is impossible when
DEF-thermistor is set at 10°C or higher because
defrosting ends immediately)
Disconnect CN1 from the main PWB.
Measure the resistance
between and of CN1
on the wiring
Check def. heater wiring for loose
connection or disconnection.
Check cause of defrosting failure
· Check door packing
· Check mounting seal of E.V. cover Assy
[6]
approx. 286
(defrost heater 185W)
Turn power OFF. After approx. 30 sec.,
open the refrigerating room door and
re-energize. (Buzzer beeps continuously)
Between 2P connector and on
E.V. cover Assy is carrying current?
Resistance of 3P connector between
1 and 2 on E.V. cover ass’y is normal? (286 )
Power off
Replace
def. heater.
⑦
⑦
YES
NO
(Cooling Fan motor system diagnosis)
Cooling Fan motor
rotates?
Check cause of defrosting
failure
· Dislocation of fan
· Check door packing
· Installation of E.V. cover Assy
· Defective seal
[7]
Under compressor operating,
close the door switch
Replace Fan motor.
Fan locked ?
Check position of fan.
YES
NO
Replace main PWB
The fuse in the circuit
of fan motor may have
blown out.