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Panasonic NN-SD291W User Manual

Panasonic NN-SD291W
26 pages
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© Panasonic Home Appliances Microwave Oven
(Shanghai) Co., Ltd. 2011.
NN-SD291S
NN-SD291W
CPH(CANADA)
Microwave Oven
Please file and use this manual together with the service manual for Model NN-S262SF (Order
No.SIMMC0203005C1)
ORDER NO.PHAMOS1106067AE
E2
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Panasonic NN-SD291W Specifications

General IconGeneral
TypeCountertop Microwave Oven
Power Output800 watts
Control TypeElectronic
TurntableYes
Weight26 lbs
ColorWhite
Voltage120V
Frequency60Hz
Sensor CookingYes
Pre-Programmed SettingsYes
Child Safety LockYes
Dimensions (W x H x D)489 x 275 x 382 mm
Exterior Dimensions489 x 275 x 382 mm

Summary

PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY

DANGER OF HIGH VOLTAGE AND HIGH TEMPERATURE (HOT/LIVE) OF THE INVERTER POWER SUPPLY (U)

3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING

3.1. Check the grounding

Emphasizes the importance of proper grounding for microwave oven safety.

3.2. Inverter warnings

Highlights dangers associated with high voltage and temperature in the inverter circuit.

3.3. Part replacement.

Guidelines for safely replacing internal components of the microwave.

3.4. When the 20A fuse is blown due to the malfunction of the monitor interlock switch:

Troubleshooting steps when the 20A fuse blows due to interlock switch issues.

3.5. Avoid inserting nails, wire etc. through any holes in the unit during operation.

Warning against inserting foreign objects into the oven cavity to prevent leakage.

3.6. Verification after repair

Checks required after component replacement to ensure safety and function.

4 COMPONENT TEST PROCEDURE

4.1. Primary, Secondary Interlock Switch & Power Relay RY1

Procedure for testing continuity of interlock switches and power relay.

4.2. Monitor Switch

Procedure for testing the continuity of the monitor switch.

5 MEASUREMENTS AND ADJUSTMENTS

6 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE

7 TROUBLESHOOTING GUIDE

7.1. Troubleshooting of inverter circuit (U) and magnetron

Guide for diagnosing issues with the inverter circuit and magnetron using failure codes.

7.2. SIMPLE WAY OF H.V. INVERTER/MAGNETRON TROUBLESHOOTING

A simplified method for troubleshooting H.V. inverter and magnetron issues.

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