Service manual

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6. When Er01 & Er03 come on display.
→ Refer to Circuit Diagram (Point 6)
-Check method
* If AUTO REHEATING just operating, checking point A, B, C & D after 1~2 minutes.
* R20~24 & connecting status of humidity sensor must be checked before checking point A, B, C & D.
7. When the oven is plugged in or during operation, the display does not turn on.
→ refer to Circuit Diagram (Point 7)
-Check method
NO CHECK POINT REMARK Tolerance
1 A 0.5 ≤ VALUE ≤ 3.5V -
2 B 11.3Vdc ± 5%
3 C 4.4Vdc ± 5%
4 D 2.2Vdc ± 5%
Point WAVEFORM
A +5VDC
B +10.8VDC (±1V)