Panasonic NN-S235WF - 10. TROUBLESHOOTING GUIDE

TABLE (1L-1min.test)
RATED OUTPUT TEMPERATURE RISE
800W Min.12.6°F(7.0°C)
10. TROUBLESHOOTING GUIDE
CAUTION
1. Check grounding before checking for trouble.
2. Be careful of high voltage circuit.
3. Discharge high voltage capacitor.
4. When checking the continuity of the switches or the high voltage transformer,disconnect one
lead
from these parts and then check continuity with the AC plug removed. To do otherwise may
result
reading or damage to your meter. / When disconnecting a plastic connector from a terminal, you
must
the plastic connector instead of the lead wire and then disconnect it, otherwise lead wire may be
damaged
or the connector cannot be removed.
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. 240V AC is present on the digital programmer circuit (Terminals of power relay's and primary
circuit
low voltage transformer). When troubleshooting, be cautious of possible electrical shock hazard.
First of all operate the microwave oven following the correct operating procedures in order to
find the exact cause of any trouble.
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