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 | Open power | |
| power supply cord | Continuity | supply cord |
|
|
| Normal | Defective touch | Replace |
|
|
|
| |
|
|
| control circuit |
|
| Display do not shown |
| Malfunction of | Replace |
|
|
| ||
| countdown |
| secondary |
|
|
|
| interlock switch |
|
NOTE1
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 switch
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
secondary
interlock
switch
Defective touch
control circuit
Faulty contacts of RELAY (RY2) or open relay coil
REMEDY
Adjust or
replace
Adjust or
replace
Replace
Replace
20
