Subzero WOLF SPO, Руководство по обслуживанию

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Page 36
Condition Problem Test/Action
Turntable motor does not
operate (but oven lamp
illuminates).
1
Check adjustment of the latch microswitches
.
2 Check latch switch SW1 .
3 Check for an open circuit in the wire harness.
4 Test the turntable motor .
Oven or any electrical
parts (except fan motor)
do not stop when cooking
time is 0 or Stop/Clear
button is pressed.
1
Test the control panel
.
2 Test relays RY1 through RY8.
Oven stops after 4
minutes and 15 seconds
since Start button is
pressed (except
Microwave mode and
Dual-Cook mode).
1 Check the thermistor.
2 Check for an open circuit in the wire harness.
3 Test the control panel .
Display operates properly,
but all other electrical
parts do not operate.
1 Check for an open circuit in the wire harness.
2 Test relays RY1 through RY8.
Oven goes into cook
cycle, but shuts down
before end of cooking
cycle.
1 Check the ventilation openings (front and rear) for blockages.
2 Check the blower fan and convection fan for blockages.
3 Check the thermistor.
4
Test the oven, magnetron, convection, and broiler thermal cutouts
.
5
Test the blower fan motor and convection fan motor
.
After cooking, the
temperature of oven
cavity is higher than 248°F
but fan motor does not
operate.
1 Check the thermistor.
2 Test the control panel .
The oven stops 1 minute
after starting.
1 Test the damper switch SW4.
2 Check for a short or open in the wire harness.
3
Test the damper motor
.
4 Test relay RY8.
Microwave cooking.
Oven seems to be
operating, but little or no
heat is produced in oven
load (microwave power
control is set to 100%).
1
Check adjustment of the latch microswitches
.
2 Check for a short or open in the wire harness.
3
Test the control panel
.
4 Test relay RY1.
5 Check for 220 VAC at the primary side of the transformer.
6
Test the magnetron
.
7 Test the high-voltage rectifier assembly .
8
Test the capacitor
.
9 Test the high-voltage wire harness for open or short circuits.
10
Test the transformer
.
Oven does not seem to be
operating properly during
variable cooking
condition, except 100%
cooking condition.
1 Test the control panel .
2 Test relay RY1.
Oven goes into cook
cycle, but shuts down
before end of cooking
cycle.
1 Check the ventilation openings (front and rear) for blockages.
2 Check the blower fan for blockages.
3 Check the thermistor.
4 Test the blower and damper fan motors .
5 Check for an open circuit in the wire harness.
6 Test the oven and magnetron thermal cutouts .
7 Test relay RY8.
Convection mode.
Convection cooking mode
does not heat.
1
Check adjustment of the latch microswitches
.
Speed Oven
Troubleshooting
Troubleshooting Guide
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