DAEWOO ELECTRONICS KOC-995T0S, Service Manual

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PRINTED WIRING BOARD
8. Case of no stopping of the count down timer
- When the door is opened during operation, the count down timer does not stop.
· Check method
9. Case of appearring Err6 on the display
· Check method
KOC-995T 0S/KOC-995 T2S
STAGE POINT A POINT B
Door opened Open +5 VDC
Door closed Closed GND
KOC-995T 0S/KOC-995T0S11
POINT WAVEFORM
A
B
C
T : 20ms (50Hz)
If clock does not keep exact time, you must check Diode D2 & Transistor Q2 (KOC-995T0S/995T2S),
NOTE