Samsung RZ60EESW1, Руководство по обслуживанию

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49
TROUBLESHOOTING 4. TROUBLE-SHOOTING
50
4-2-6. When the unit keeps alarming (Buzzer Sound)
1) When 'Ding Dong' keeps alarming
Door stays open?
Start
Check if there is any obstacle
pushing the Door open.
Gap exists
Closed
Water penetrates into Door S/W?
Replace Door S/W
YES
NO
MICOM #57 voltage
changes when the Door
is open/close?
Repair Wire Cut / Door S/W
NO
YES
Connector (CN30) is
inserted properly?
Insert the Connector
NO
YES
Change PCb
Check MAIN PCb and Door S/W
Remove and measure the continuity
of Door S/W by pressing it (On/Off).
Check if the value changes
between 0Ω and ∞Ω.
Door S/W is in good
condition?
YES Replace Door S/W
NO
Door & MICOM State
Door
Door S/W
MICOM(#57)
Close 0v(Low)
Open 5v(high)
2) When it keeps 'beeping'
The unit is not in
forced Operation or forced
Defrost mode.
Start
Cancel forced Operation/
Defrost or Re-plug the unit
Yes
No
When the unit is
plugged out and in again, it keeps
beeping?
MAIN PCb is normal
No
Change PCb
Check if there is any foreign substance
at Test Jumper of MAIN PCb or any part
shorted out
YES
TWIN 냉동고 SM.indd 50 2009.4.9 2:56:20 PM