7-22
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 7-18)
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 MVH1615WW
Page 9: ...5 1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM ...
Page 10: ...5 2 MATRIX CIRCUIT FOR TOUCH KEY BOARD ...
Page 37: ...8 2 CONTROLLER PARTS 268711 24810P 23572A 23506A 24781M WTP018 07 1 07 2 EV ...
Page 39: ...8 4 LATCH BOARD PARTS WSZ085 43500A 466001 466003 466001 44510A EV ...
Page 43: ......
