19
(TROUBLE 4)
Grill heater (upper heater) is not heated; food will not become hot.
CONDITION
CHECK
Check continuity of
primary interlock switch
Malfunction of
primary Interlock
switch
RESULT
No
continuity
CAUSE
REMEDY
CAUSE
REMEDY
Adjust or
replace
Grill heater is
not heated.
Check D.C voltage
being supplied to
RELAY (RY3) coil
Faulty contacts of
RELAY
(RY3) or open
relay coil
Replace
Check continuity of
secondary interlock switch
Malfunction of
secondary
interlock switch
No
continuity
Adjust or
replace
Defective touch
control circuit
0V
Approx.
13V DC
Replace
Check continuity of
heater
Defective heater
No
continuity
Replace
(TROUBLE 5)
Fan motor does no rotate.
CONDITION
CHECK
Check continuity of
primary interlock switch
Malfunction of
primary Interlock
switch
RESULT
No
continuity
Adjust or
replace
Fan does
not rotate.
Check D.C voltage
being supplied to
RELAY (RY6) coil
Faulty contacts of
RELAY
(RY6) or
open relay coil
Replace
Check continuity of
secondary interlock
switch
Malfunction of
secondary
interlock switch
No
continuity
Adjust or
replace
Defective touch
control circuit
0V
Approx.
13V DC
Replace
Check continuity of
fan
Defective fan
No
continuity
Replace
Содержание KOC-621Q0S
Страница 27: ...26 10 WIRING DIAGRAM...
Страница 34: ...33 13 P C B CIRCUIT DIAGRAM...