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20
.
Turn table
motor and
oven lamp do
not turn on
Check continuity of
Primary interlock
switch
malfunction
of primary
interlock switch
CONDITION RESULT REMEDY
Check continuity of
Secondary interlock and
D.O.M switch
Check D.C voltage
Being supplied to
RELAY(RY4) coil
Malfunction
Of secondary
Interlock and
D.O.M switch
Defective
touch control
Circuit
Fault contacts
of RELAY
(RY4) or open
relay coil.
Adjust or
Replace
Replace
TROUBLE 4) 1) Convection heater is not heated; food will not become hot.
2) convection fan motor does not rotate.
CONDITION CHECK RESULT CAUSE REMEDY
1) Convection
heater is
not heated.
2) Convection
Fan and
Motor does
Not rotate.
Check continuity of
Primary interlock switch
No
Continuity
Malfunction
Of primary
Interlock switch
Adjust or
Replace
Check continuity of
secondary interlock
switch
No
Continuity
Malfunctioon
Of secondary
interlock switch
Adjust or
replace
Check continuity of
(heater or motor)
No
continuity
Check D.C voltage
Being supplied to
RELAY (RY3, RY6) coil
Defective
motor
0V
Approx
24V DC
Defective
Touch control
circuit
Faulty contacts
of RELAY
(RY3,RY6) or
open relay coil
Replace
Replace
Replace
CHECK CAUSE
No
Continuity
No
Continuity
0V
Approx.
24V DC
TROUBLE 3) Display shows all figures selected, but oven does not start cooking, even
though desired program and time are set and start button is tapped
Adjust or
Replace
Replace