7-23
PROBLEM - E:
Unit does not heat up even if display counts down when
START key is touched for
“HIGH POWER
” cooking.
Check: 1. PRIMARY AND SECONDARY INTERLOCK SWITCHES
2. THERMOSTAT
1
2
Runs
Contact
OK
NO
continuity
Replace
circuit board
Normal
circuit board
Poor contact
Replace
circuit board
Normal
circuit board
Contact OK
Normal
contact
Correct
seating
Check contact of
connector S1
Check the contact of
relay 7(see page 7-16)
Runs
Runs
Resistance
incorrect
Check the continuity of
H.V.C. (see page 7-16)
Normal H.V.T.
Resistance
incorrect
Normal H.V.C.
Abnormal
Replace H.V.D.
Normal
Magnetron
Replace
Magnetron
Normal
Normal
H.V.D.
Check the
continuity of H.V.D.
(see page 7-16)
Replace H.V.C.
Normal
resistance
Replace H.V.T.
Normal
resistance
Measure resistance of
H.V.Transformer
(see page 7-15)
Runs
Runs
Runs
Runs
Summary of Contents for MMV5165AAB
Page 9: ...5 1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM I Check the Model No THERMOSTAT...
Page 10: ...5 2 SCHEMATIC DIAGRAM II Check the Model No ADD Noise filter...
Page 11: ...5 3 MATRIX CIRCUIT FOR TOUCH KEY BOARD KEY MATRIX...
Page 41: ...8 4 4001 W111 W102 4000 4002 4003 4002 4004 LATCH BOARD PARTS EV...
Page 45: ...8 8 6008 W109 6011 6010 VINYL BAG 6009 INSTALLATION PARTS EV...
