
RE220002 Rev. 6`
40
Troubleshooting Procedures
To avoid risk of electrical shock, personal injury, or death,
disconnect power to unit and discharge the capacitor
before following any disassembly procedures.
WARNING
!
Test S equenc e 2: COOK CONDITION
Open door, place container of water in
oven (1000 m l).
Note: Conditional S chematic for Cook Condition shown on
next page.
Initiate cook c ycle.
Control W ill Not P rogram
1. Inoperative touch panel assembly.
2. Inoperative circuit board.
Controller beeps when data is entered,
No
Control P rograms But W ill Not Count Down
dis play counts down?
1.
2.
Inoperative interlock switch module (door s ens e test).
Inoperative circuit board.
Yes
Cavity Light on? Blower motor operates ?
No
1. Inoperative electronic control circuit board assembly.
2. Interlock Switch Module inoperative or out of adjus tment.
Yes
(P rimary or S econdary test).
3.
4.
Blower m otor inoperative or binding.
Broken or loose wire connec tion.
Stirrer blades rotate?
No
1. Inoperative stirrer sys tem .
2. Broken or loose wire connec tion.
Yes
Display c ounts down to zero, display
shows "DONE " and control beeps.
No
1.
2.
Inoperative electronic control circuit board assembly.
Broken or loose wire connec tion.
Heats Very S lowly
Note: Verify by performing power tests .
Yes
1.
2.
3.
Voltage s elec tor plug (FS17 and FS 20 only ).
Low line voltage.
Inoperative power transformer.
Open oven door; water placed in oven
cavity was heated?
No
4.
5.
6.
7.
Inoperative capac itor.
Inoperative m agnetron.
Inoperative diode.
Broken or loose wire connec tion.
No Heat
Yes
1.
2.
3.
4.
5.
6.
7.
Inoperative diodes.
Inoperative capac itors.
Inoperative m agnetrons.
Inoperative transform ers.
Inoperative circuit board.
Inoperative triac.
Broken or loose wire connec tion.
Cook operation norm al; proc eed to
Power Level c ondition.
Test S equenc e 3, previous page .
Troubleshooting Flow Chart for Units with Electronic Timers
Models P130210_M Series