Jenn-Air JMC2427IM Fiche Technique page 19

Component Serviceable Side
Halogen Top
Light
Inverter Top
Magnetron Top
Line Filter Top
Procedure
1.
Unplug microwave oven or disconnect power.
2. Remove wire leads.
3. Measure resistance.
4. Replace wire leads.
5. Reassemble all parts and panels before operating.
6.
Plug in microwave oven or reconnect power.
Check wiring to MW inverter:
1.
Unplug microwave oven or disconnect power.
2. Visually inspect 4 connectors on the MW inverter boards,
CN701, CN702, CN703 and E701 to see whether there are signs
of overheating or any signs of failure due to loose wires, bad
crimping, etc.
3. Reassemble all parts and panels before operating.
4. Plug in microwave oven or reconnect power.
1. Unplug microwave oven or disconnect power.
2. Remove wire leads. Check that the seal is in good condition.
3. Measure resistance.
4. Replace wire leads.
5.
Reassemble all parts and panels before operating.
6. Plug in microwave oven or reconnect power.
1.
Unplug microwave oven or disconnect power.
2. Remove wire leads.
3. Measure resistance.
4. Replace wire leads.
5. Reassemble all parts and panels before operating.
6.
Plug in microwave oven or reconnect power.
Results - Resistance
Normal =
approximately 3 Ω
Abnormal = Infinite
Filament Terminals
Normal = <1 Ω
Filament to Chassis
Normal = Infinite
P31 to P32,
P33 to P34 Normal
>/= 300 kΩ
Abnormal
</= 100 kΩ
P31 to P34, P32 to
P33 Normal = 0 Ω
Abnormal
>/= 100 kΩ
19
Component Location
L
S
P
D