Filter
Top Products
- 7 -
STEPSTEP
STEPSTEP
STEP SEQUENCESEQUENCE
SEQUENCESEQUENCE
SEQUENCE
B. TROUBLESHOOTINGB. TROUBLESHOOTING
B. TROUBLESHOOTINGB. TROUBLESHOOTING
B. TROUBLESHOOTING
0 Volt.
Check continuity of Fuse,
Thermal Protector for
Magnetron, Thermal Protector
for Cavity and AC Power Cord.
If the Fuse is blown, see “E,
REMOVING FUSE” on page 13.
Replace it
if necessary.
Normal Control
Circuit Board.
Correct seating of
Connector S101 or
replace Control
Circuit Board.
Each resistance
OK.
Resistance
incorrect.
(ON or OFF)
Replace Touch
Key Board.
Normal Touch
Key Board.
Normal Control
Circuit Board.
Replace Control
Circuit Board.
Voltage
incorrect.
Check power supply
voltage on Control Circuit
Board. (See page 5)
Each voltage
OK.
Touch Key Board.
Check resistance of
Touch Key Board.
(See page 6)
120 Volts.
Check 120VAC power supply
of Connector S1 between Pin
1 and Pin 3 after removing
Connector S1 from Control
Circuit Board.
(1) PROBLEM
No display or mis-display in
the display window by
touching the keys.
a
b
RESULRESUL
RESULRESUL
RESUL
TT
TT
T
PROBLEM
1-b
Runs
Runs
Runs
Runs
Control Circuit
Board.