– 52 –
Thermistor Resistance Values
Thermistor resistance can be checked at the main control board, connector CN6. Check between the
white and red wire for the high-thermistor side of the thermistor. Check between the white and the blue
wire for the low-thermistor side of the thermistor. The thermistor must be at room temperature when
testing.
Interlock System Test
1. Remove the grille and discharge the capacitor.
2. Check 20-amp fuse for continuity and proper
size. Do not use any fuse other than 20 amp.
3. Remove the monitor switch leads to isolate the
switch. Check continuity of switch with door
open and door closed.
• Door closed: infinite ohms.
• Door open: 0 ohms.
4. Reconnect the switch leads.
5. Test the circuit operation:
A) Connect a temporary jumper across relay
(RY2) contacts, primary interlock, and
door sensing switch to simulate shorted
switch contacts.
B) Connect the ohmmeter (Rx1) across the
line terminals of the appliance cord.
Continuity must show:
• Door closed: infinite ohms.
• Door open: 0 ohms.
C) Remove the 20-amp fuse - circuit must
open (infinite ohms).
6. After testing is complete, remove temporary
jumper leads from interlocks and relay and
reconnect monitor switch leads.
Interlock Adjustment
Warning: A microwave leakage test must be
performed any time a door is removed, replaced,
disassembled, or adjusted for any reason. The
maximum allowable leakage is 4 MW/cm
2
.
The latch board is adjusted for door fit and switch
operation.
1. Remove the key panel.
2. Loosen the latch-board mounting screws at
the vertical flange.
3. Adjust the latch-board for proper switch
operation and door fit. Retighten screws.
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Summary of Contents for Advantium 120 SCA1000
Page 15: ... 13 GEA01122 Figure 3 Vent Fan Airflow ...
Page 16: ... 14 Notes ...
Page 17: ... 15 Notes ...
Page 60: ... 58 2001 ...
Page 64: ... 62 Illustrated Parts Breakdown ...
Page 65: ... 63 ...
Page 66: ... 64 ...
Page 67: ... 65 ...
Page 68: ... 66 ...
Page 72: ... 70 Notes ...
Page 73: ... 71 Notes ...
Page 74: ... 72 ...
