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TESTS
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
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.
If an item on the list is followed by an asterisk (*), the work should be done by a
factory authorized service representative.
Possible Cause
Product is cooked too long
Failed Probe
Failed Circuit board
Failed Transformer
Failed Contactor
Failed Motor
Failed or disconnected safety
thermostat
Failed Element
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.
TROUBLESHOOTING CONT'D
for the service agent nearest you
TEST
No test available, operational condition
Check probe for proper resistance*
Confirm that Circuit board is getting correct
voltage and putting out correct voltage*
Check both Primary and Secondary coils for
correct voltage*
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*
Confirm that motor is getting correct voltage*
Check across the thermostat connectors for
continuity*
Confirm that Elements are getting correct voltage
and have continuity*
17
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