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Section 3 Troubleshooting and Testing
Procedure
Letter
M
R1, R2 : 22Ω ± 1% 1/2W
R3 : 4.3Ω ± 5% 1/4W
R4 : 1MΩ ± 5% 1/4W
N
NOISE FILTER TEST
1. Disconnect the power supply cord, and then remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Disconnect the leads to the primary of the power transformer.
5. Using an ohm-meter, check between the terminals as described in the following table:
If incorrect readings are obtained,
replace the noise filter.
6. Reconnect all leads removed from
components during testing.
7. Re-install the outer case (cabinet).
8. Reconnect the power supply cord
after the outer case is installed.
9. Run the oven and check all functions.
3-14
Component Test
Sensor Dummy Resistor Circuit
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