Troubleshooting Guide - Panasonic NE-C1153 Service Manual

13 TROUBLESHOOTING GUIDE

1. Check grounding before checking for trouble.
2. Be careful of the high voltage circuit.
3. Dischargehigh voltage capacitor.
4. When checking the continuity of the switches or the high voltage transformer, disconnect one lead wire from these parts and then check
continuity with the AC plug removed. To do otherwise may result in a false reading or damage to your meter.
5. Do not touch any parts of the circuitry on the digital programmer circuit, since static electric discharge may damage this control panel.
Always touch yourself to ground while working on this panel to discharge any static charge in your body.
6. A 208V AC is present at the shaded area of the digital programmer circuit (Terminals of power relays and primary circuit of low voltage
transformer). When troubleshooting, be cautious of possible electrical shock hazard.
First of all operate the microwave oven following the correct operating procedures described in order to find the exact cause of any
trouble.
CAUTION
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NE-C1153 / NE-C1153C