![TIA WAVEJET 400-1338-02 Скачать руководство пользователя страница 26](http://html.mh-extra.com/html/tia/wavejet-400-1338-02/wavejet-400-1338-02_component-maintenance-manual-with-illustrated-parts-list_1114056026.webp)
WAVEJET MICROWAVE OVEN
COMPONENT MAINTENANCE MANUAL
WITH ILLUSTRATED PARTS LIST
25-30-43
Page
106
March 15, 2003
Test
Component
From
To
Result
Action
Taken
Inverter Board
(Cover Off, Power
Disconnected)
Disconnect and remove inverter board.
Apply +28 VDC to Red and Ground to
Black. The two white wires should show
80V AC, 60 Hz.
If condition is not met,
replace inverter board.
Turntable Motor
(Cover Off, Power
Disconnected)
Check inverter board. If inverter board
supplies the correct voltage and turntable
motor does not turn, motor is defective.
Replace turntable
motor.
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.
Power Supply 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.
Magnetron Overheat
Thermostat (Cover
Off, Power
Disconnected)
1. Check resistance across Thermostat.
2. If Resistance>10 ohms, try to reset
thermostat by pressing center button.
3. Recheck resistance across
Thermostat.
If resetting thermostat
does not bring
resistance to <10
ohms, replace
thermostat.
Linear Overheat
Thermostat (Cover
Off, Power
Disconnected)
Check resistance across Thermostat.
If Resistance>10
ohms, replace
thermostat.