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UL File# E8138 Rev
16
Troubleshooting cont’d
NOTICE
Service on this or any other Lang appliance must be performed by
qualified personnel only. Consult your Lang Authorized Service Agent
Directory. You can call our toll free number 314-678-6315 or visit our
website
WWW.LANGWORLD.COM
for the service agent nearest you.
WARNING
BOTH HIGH AND LOW VOLTAGES ARE PRESENT INSIDE THIS
APPLIANCE WHEN THE UNIT IS PLUGGED/WIRED INTO A LIVE
RECEPTACLE. BEFORE REPLACING ANY PARTS, DISCONNECT THE
UNIT FROM THE ELECTRIC POWER SUPPLY.
TESTS
If an item on the list is followed by an asterisk (*), the work should be done by a factory authorized service
representative.
Oven
Possible Cause
Test
Failed Probe
Check probe for proper resistance*
Failed Circuit board
Confirm that Circuit board is getting correct voltage and putting out
correct voltage*
Failed Transformer
Check both Primary and Secondary coils for correct voltage*
Failed Contactor
Remove the wires from the contactor coil and check for continuity
across the contactor coil connection*
Ensure the contactor moveable points move freely up and down*
Failed Motor
Confirm that motor is getting correct voltage*
Failed or disconnected
safety thermostat
Check across the thermostat connectors for continuity*
Failed Element
Confirm that Elements are getting correct voltage and have continuity*
Range Top
Possible Cause
Test
Failed thermostat
Verify calibration*
Failed element
Remove the wires and check for continuity across the element*
Failed 6-heat switch
Call factory or consult service manual for proper tests
CAUTION
USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY
LANG OR THEIR AUTHORIZED DISTRIBUTORS CAN CAUSE BODILY
INJURY TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND
WILL VOID ALL WARRANTIES.