Panasonic NN-SD452W, NN-ST452W, NN-ST462M manual

(Shanghai) Co., Ltd. 2012.

NN-SD452W

NN-ST462M

NN-ST452W

BPQ (U.K.)

EPG (Continental Europe)

Microwave Oven

ORDER NO.PAPMOSH1201015CE

Contents

Main Page Page CONTENTS Page Page Page 2.1. Variable power cooking control 2.2. Inverter power supply circuit 2.3. Turbo defrost, Auto cook 2.4. Sensor cooking 2 DESCRIPTION OF OPERATING SEQUENCE 2.5. Steam sensor and digital programmer circuit 3.1. Check the grounding 3.2. Inverter warnings 3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 3.3. Part replacement. 3.4. When the 10A fuse is blown due to the malfunction of the short switch: 3.5. Avoid inserting nails, wire etc. through any holes in the unit during operation. 3.6. Verification after repair 3.7. Sharp edges 4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 4.3. Low voltage transformer and/or power relays (RY1, RY2) 4.4. Fan motor 4.5. Door assembly Page 4.6. Turntable motor 4.7. Steam sensor 4.8. Inverter power supply 5.1. Primary, Secondary Latch Switch interlocks & Power Relay RY1 5.2. Short Switch 5.3. Magnetron 5.4. key board membrane (Membrane switch assembly) 5 COMPONENT TEST PROCEDURE 5.5. Inverter power supply (U) 5.6. Temperature thermistor 6.1. Adjustment of primary latch switch, secondary latch switch and short switch. 6.2. Measurement of microwave output 6 MEASUREMENTS AND ADJUSTMENTS 7 TROUBLESHOOTING GUIDE DANGER: HIGH VOLTAGES 7.1. (Troubleshooting) Oven stops operation during cooking 7.2. (Troubleshooting) Other problems 7.3. Troubleshooting of inverter circuit (U) and magnetron 7.4. Simple way of H.V. Inverter/magnetron troubleshooting 7.5. How to check the semiconductors using an OHM meter 7.6. H.V. INVERTER MAIN PARTS LIST (Z606YBA00QP) Page 8.2. PARTS LIST 8.3. ESCUTCHEON BASE ASSEMBLY 8.3.1. NN-SD452W 8.3.2. NN-ST462M, ST452W 8.4. DOOR ASSEMBLY Page 8.6. PACKING AND ACCESSORIES