1 FEATURE CHART
5
2 CONTROL PANEL
5
3 SCHEMATIC DIAGRAM
6
3.1.
APH
6
3.2.
CPH
7
4 DESCRIPTION OF OPERATING SEQUENCE
8
4.1.
Variable power cooking control
8
4.2.
Inverter power supply circuit
8
4.3.
Auto Menu cooking
8
4.4.
Combination cooking control
8
4.5.
Bake cooking control
9
4.6.
Steam function (Microwave with Steam)
10
5 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING
11
5.1.
Check the grounding
11
5.2.
Inverter warnings
11
5.3.
Confirm before repair
12
5.4.
Part replacement
12
5.5.
When the 20A fuse is blown due to the malfunction of the
monitor interlock switch
12
5.6.
Avoid inserting nails, wire etc. through any holes in the
unit during operation
12
5.7.
Verification after repair
12
5.8.
Sharp edges
12
5.9.
Hot surface
12
6 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 13
6.1.
Magnetron
13
6.2.
Digital programmer circuit (D.P.C) AU, (D.P.C.) HU, key
board membrane and power relay
14
6.3.
Digital programmer circuit (D.P.C.) DU and low voltage
transformer
15
6.4.
H.V. Inverter
15
6.5.
Fan motor
16
6.6.
Door assembly
16
6.7.
Stirrer motor
17
6.8.
Pump motor
17
6.9.
Heater DU (steam heater)
18
6.10. Bake fan motor and bake heater
19
6.11. Oven circuit breaker
22
7 COMPONENT TEST PROCEDURE
23
7.1.
Primary, Secondary Latch Switch interlocks & Power
Relay RY1
23
7.2.
Monitor Interlock Switch
23
7.3.
Magnetron
23
7.4.
key board membrane (Membrane switch assembly)
23
7.5.
Inverter power supply (U)
24
7.6.
Temperature thermistor
24
7.7.
Oven circuit breaker
24
8 MEASUREMENTS AND ADJUSTMENTS
25
8.1.
Adjustment of primary latch switch, secondary latch switch
and monitor interlock switch.
25
8.2.
Measurement of microwave output
26
9 PROCEDURE FOR MEASURING MICROWAVE ENERGY
LEAKAGE
27
9.1.
Equipment
27
9.2.
Procedure for measuring radiation leakage
27
9.3.
Record keeping and notification after measurement
27
9.4.
At least once a year, have the radiation monitor checked
for calibration by its manufacturer.
28
10 TROUBLESHOOTING GUIDE
29
10.1. (Troubleshooting) Oven stops operation during cooking 30
10.2. (Troubleshooting) Other problems
31
10.3. Troubleshooting of inverter circuit (U) and magnetron 32
10.4. Trouble related to Digital Programmer Circuit
33
10.5. SIMPLE WAY OF H.V. INVERTER/MAGNETRON
TROUBLESHOOTING
33
10.6. How to check the semiconductors using an OHM meter 34
11 EXPLODED VIEW AND PARTS LIST
35
11.1. EXPLODED VIEW
35
11.2. PARTS LIST
36
11.3. WATER TANK ASSEMBLY
37
11.4. ESCUTCHEON BASE ASSEMBLY
38
11.5. H.V.INVERTER BOARD MAIN PARTS LIST
(F606Y8M00AP)
38
11.6. DOOR ASSEMBLY
39
11.7. WIRING MATERIALS
39
11.8. PACKING AND ACCESSORIES
40
12 DIGITAL PROGRAMMER CIRCUIT
41
12.1. SCHEMATIC DIAGRAM
41
CONTENTS
Page
Page
4
NN-CS597S
Содержание NN-CS597S APH
Страница 2: ...2 NN CS597S ...
Страница 3: ...3 NN CS597S ...
Страница 5: ...1 FEATURE CHART 2 CONTROL PANEL 5 NN CS597S ...
Страница 6: ...3 SCHEMATIC DIAGRAM 3 1 APH 6 NN CS597S ...
Страница 7: ...3 2 CPH 7 NN CS597S ...
Страница 28: ...9 4 At least once a year have the radiation monitor checked for calibration by its manufacturer 28 NN CS597S ...
Страница 34: ...10 6 How to check the semiconductors using an OHM meter 34 NN CS597S ...
Страница 35: ...11 EXPLODED VIEW AND PARTS LIST 11 1 EXPLODED VIEW 35 NN CS597S ...
Страница 41: ...12 DIGITAL PROGRAMMER CIRCUIT 12 1 SCHEMATIC DIAGRAM 41 NN CS597S ...
Страница 42: ...42 NN CS597S 05 07 ChengWei S 8S7 Printed in China ...