1 SCHEMATIC DIAGRAM
5
2 DESCRIPTION OF OPERATING SEQUENCE
6
2.1.
Variable power cooking control
6
2.2.
Inverter power supply circuit
6
2.3.
Inverter defrost
6
2.4.
Sensor cooking
6
2.5.
Sensor reheat
7
3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING 8
3.1.
Check the grounding
8
3.2.
Inverter warnings
8
3.3.
Part replacement.
9
3.4.
When the 20A fuse is blown due to the malfunction of the
interlock monitor switch:
9
3.5.
Avoid inserting nails, wire etc. through any holes in the
unit during operation.
9
3.6.
Verification after repair
9
3.7.
Sharp edges
9
4 COMPONENT TEST PROCEDURE
10
4.1.
Primary, Secondary Interlock Switch & Power Relay RY1
10
4.2.
Interlock Monitor Switch
10
4.3.
Magnetron
10
4.4.
Inverter power supply (U)
11
4.5.
Humidity sensor
11
5 MEASUREMENTS AND ADJUSTMENTS
12
5.1.
Adjustment of primary interlock switch, secondary interlock
switch and interlock monitor switch.
12
5.2.
Measurement of microwave output
12
6 PROCEDURE FOR MEASURING MICROWAVE ENERGY
LEAKAGE
13
6.1.
Equipment
13
6.2.
Procedure for measuring radiation leakage
13
6.3.
Record keeping and notification after measurement
13
6.4.
At least once a year, have the radiation monitor checked
for calibration by its manufacturer.
14
7 TROUBLESHOOTING GUIDE
15
7.1.
(Troubleshooting) Oven stops operation during cooking 16
7.2.
(Troubleshooting) Other problems
17
7.3.
Trouble related to Digital Programmer Circuit
18
7.4.
Troubleshooting of inverter circuit (U) and magnetron 19
7.5.
SIMPLE WAY OF H.V. INVERTER/MAGNETRON
TROUBLESHOOTING
20
7.6.
H.V.INVERTER BOARD MAIN PARTS LIST
(F606Y9X90AP)
20
8 EXPLODED VIEW AND PARTS LIST
21
8.1.
EXPLODED VIEW
21
8.2.
PARTS LIST
22
8.3.
DOOR ASSEMBLY
24
8.4.
ESCUTCHEON BASE ASSEMBLY
25
8.5.
PACKING AND ACCESSORIES
27
8.6.
WIRING MATERIALS
28
9 DIGITAL PROGRAMMER CIRCUIT
29
9.1.
SCHEMATIC DIAGRAM
29
9.2.
PARTS LIST
31
CONTENTS
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Page
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