TROUBLE SHOOTING GUIDE
CONDITION | CHECK | RESULT | CAUSE | REMEDY |
Outlet has | Check continuity of magnetron | No | Defective | Replace |
| ||||
proper | Continuity | magnetron |
| |
|
| |||
voltage Fuse |
|
|
|
|
does not |
|
|
| Replace |
blow. | Check continuity of | No | Defective line | |
|
| |||
| noise filter board | Continuity | filter board |
|
| Check continuity of | No | Open power | Replace |
|
| |||
| power supply cord | Continuity | supply cord |
|
|
| Normal | Defective touch | Replace |
|
|
|
| |
|
|
| control circuit |
|
NOTE
All these switches must be replaced at the same time, please refer to “Interlock Mechanism And Adjustment”.
(TROUBLE 2) Display shows all figures selected, but oven does not start cooking, even though desired program and time are set and start pad is tapped.
CONDITION
Turn table motor and oven lamp do not turn on
CHECK
Check continuity of primary
interlock switch
Check continuity of secondary interlock and D.O.M. switches
Check D.C. voltage being
supplied to RELAY (RY2) coil
RESULT
No
Continuity
No
Continuity
0 V
Approx. 15 VDC
CAUSE
Malfunction of
primary interlock
switch
Malfunction of
primary interlock
and D.O.M.
switch
Defective touch
control circuit
Faulty contacts of RELAY (RY2) or open relay coil
REMEDY
Adjust or
replace
Adjust or
replace
Replace
Replace
46
