WAVEJET™ SL
MICROWAVE OVEN
COMPONENT MAINTENANCE MANUAL
WITH ILLUSTRATED PARTS LIST
25-30-51
Page
1007
December 1, 2003
Test
Component
From
To
Result
Action
Taken
Apply 556 mmHg of
vacuum to simulate
altitude of 8,400 ft.
Unit heats
water.
Altitude Switch
(Cover On, 500 mL
water in the cavity,
Power Connected,
Microwave On
Connect vacuum
pump to 1/8 NPT
fitting on rear of unit.
Apply 523 mmHg of
vacuum to simulate
altitude of 10,100 ft.
Unit does not
heat water. Err
3 is generated.
If conditions are not
met, replace altitude
switch. Err 3
automatically resets
when the vacuum is
removed.
Fan (Cover Off,
Power Connected,
Oven is ON)
TB1-2
TB1-3
115 VAC
If condition is met and
fan does not run,
replace fan.
Lamps (Power
Connected,
Microwave Oven
On, Cover Off)
Observe whether both lamps are on.
If either lamp is out,
replace both lamps.
Controller
N/A
N/A
N/A
If all troubleshooting
attempts lead to
suspicion of controller
card failure, replace
controller and retest.
Switch Panel
Overlay
N/A
N/A
N/A
If all troubleshooting
attempts lead to
suspicion of switch
panel overlay failure,
replace and retest.
DO NOT ATTEMPT TO MEASURE
VOLTAGE AT POWER SUPPLY
OUTPUT TO MAGNETRON (HIGH
VOLTAGE LEADS TO MAGNETRON).
LETHAL VOLTAGES ARE PRESENT.
High Voltage
Component or
Magnetron Failure
Perform power output test as outlined in
Testing and Troubleshooting, Section
2B.
If power output is less
than 8ºF, return the
microwave to the
factory for service.