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
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
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 2(see page 7-18)
Measure resistance of
H.V.Transformer
(see page 7-15)
Runs
Runs
Runs
Runs
Runs
Runs
Summary of Contents for LMV1925SB
Page 9: ...5 1 SCHEMATIC DIAGRAM OVERALL CIRCUIT DIAGRAM ...
Page 10: ...5 2 MATRIX CIRCUIT FOR TOUCH KEY BOARD CUSTOM SET CUSTOM COOK Q DEFROST Ez On ...
Page 38: ...8 2 CONTROL PANEL 24781M 24810P 23572A 07 268711 WTP013 WTT029 23506A EV ...
Page 40: ...8 4 LATCH BOARD 466001 43501A 43500A 466003 466001 44510A WSZ084 EV ...
Page 44: ...8 14 SCHEMATIC DIAGRAM OF P C B ...
Page 45: ...8 15 PRINTED CIRCUIT BOARD ...
