.
CONDITION
Outlet has Proper voltage Fuse does not blow?
CHECK
Check continuity of
magnetron
Check continuity of
noise filter board
Check continuity of Power supply cord
RESULT
No Continuity
No Continuity
No Continuity
Continuity
CAUSE
Defective
magnetron.
Defective
Noise filter
board
Open power supply cord
Defective
touch control
Circuit
REMEDY
Replace
Replace
Adjust
Adjust
NOTE : All these switches must be replaced at the same time, please refer to (7.Interlock mechanism and Adjust) for adjustment instructions
TROUBLE 2) Grill heater (top heater) is not heated; food will not become hot.
CONDITION
Grill heater is Not heated.
CHECK
Check continuity of Primary interlock switch
Check continuity of 
secondary interlock
switch
Check continuity of heater
Check D.C voltage
Being supplied to
RELAY (RY2) coil
RESULT
No
Continuity
No
Continuity
No continuity
0V
Approx 24V DC
CAUSE
Malfunction Of primary Interlock switch
Malfunctioon Of secondary interlock switch
Defective heater
Defective Touch control circuit
Faulty contacts of RELAY (RY2) or open relay coil
REMEDY
Adjust or
Replace
Adjust or replace
Replace
Replace
Replace
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