Method Of Stopping The Door Alarm Temporarily; Self-Diagnosis Mode - Sharp SJ-GC440V-BK Service Manual

SJGC480VSL

5. METHOD OF STOPPING THE DOOR ALARM TEMPORARILY

Adjust both temp.control knobs at the same time as following steps.
(Adjust 1 ~ 3 within 20 seconds)
Adjust to MIN
1
Adjust to MAX
2
Return to MED
3
• The door alarm will sound again after approximately 2 days.

6. SELF-DIAGNOSIS MODE

1) How to input
1. Open R door.
2. Set the both R and F temp. control knob to "MAX" position.
Operate 3 and 4 within 20 seconds
3. Operate the only R temp. control knob as follows.
"MAX" → "MIN" → "MAX"
4. Close and open the R door three times
"close → open → close → open → close → open"
5. When MPU accept the Self-diagnosis mode , a long buzzer rings pi--- .
And the check mode goes on for 2 minutes.
2) Operation in mode
1. The compressor ,F fan motor and Plasmacluster are compulsorily turned on.
2. If there is any trouble with each thermistor(F, R and DEF ), F fan motor ,Plasmacluster, MPU keeps a buzzer
ringing during check mode (for 2 minutes) .
If there is no trouble , the buzzer doesn't ring.
Error buzzer
Error Part
F-thermistor
R-thermistor
DEF-thermistor
Thermistor (GTH)
F fan motor
Plasmacluster
3
1
2
Buzzer Detail of error as concerned.
Part is no good
Connector miss input, wiring cut
PWB side is error
Part is no good
Fan lock, Current is low or high.
Connector miss input, wiring cut
PWB side is error
Part is no good
Connector miss input, wiring cut
PWB side is error
: 0.5sec ON and 0.5 sec OFF
: 2sec ON and 0.5 sec OFF
3sec OFF between each pattern
3
1
2
18