Sanyo SBM-20 Service Manual page 24

Symptom Procedure Inspection
Cause Countermeasure
C. Bread can not I) Check motor and its
be made. wiring.
Start
(Cannot be
Motor failure Replace motor
kneaded)
YES
Poor connec- Repair wiring
tion ofCN103
2) Measure
control
NO
board voltage.
. Control board Replace con-
(While motor is
failure trot board
operating)
YES
@-@ Approx. 5V
Power board Replace power
*
failure board
D- :&::dan not 1) Measure sensor re-
(No baking, or
sistance.
Start
over-baking)
YES
* Sensor failure Replace sen-
sor
NO
2) Check heater and its
Heater failure
wiring.
Replace heater
YES
Poor connec- Repair wiring
tion of CNI 02
3) Measure
control
board voltage.
NO Control board Replace con-
" failure
(While heater is
trol board
operating)
@-@) Approx. 5V
YES
Power board Replace power
" failure
board
E. Buzzer is not
1) Measure
control
sounded.
board voltage.
Start
(While buzzer is
sounding)
NO
@-@ Approx. 5V
* Control board Replace con-
failure
trol board
YES
e Power
board Replace power
failure board
23