Troubleshooting Procedures (Electronic Models)
Trouble 2: Oven does not operate at all, display window does not display any digits, and no input is accepted.
Fuse blows.
Check continuity 
of monitor switch with door closed.
Continuity
No
Continuity
Malfunction
of the
monitor switch.
Replace the fuse,
primary, secondary, monitor switches and controller.
Replace fuse
Check continuity 
of primary switch with door opened.
Check continuity
of secondary switch with door opened.
Disconnect one side of |
Continuity |
| Malfunction of |
|
| primary switch. |
|
|
|
No
Continuity
Continuity |
| Malfunction of |
| secondary | |
|
| |
|
| switch. |
| ||
|
|
|
No
Continuity
Replace the fuse,
primary, secondary, monitor switches and controller.
Replace the fuse,
primary, secondary, monitor switches and controller.
the wire lead connecting |
transformer to high |
voltage capacitor and |
operate the unit. |
Fuse blows again.
Abnormal
Failed high
voltage transformer.
Failed high
voltage capacitor.
Replace high 
voltage
transformer.
Replace high
voltage capacitor.
Normal
Measure
resistance of high voltage capacitor.
Normal
Capacitor is good, (replace fuse only).
Fuse does not blow.
Continuity
Check continuity
of thermostat (cavity and magnetron).
Check continuity of power cord.
No Continuity
No
Continuity
Failed thermostat.
Failed power cord.
Replace thermostat.
Replace power cord.
©2006 Maytag Services | 16026795 | 13 |
