12
TROUBLESHOOTING CONT’D
9.2 TESTS
NOTICE:
Service on this, or any other, LANG appliance must be
performed by qualified personnel only. Consult your
authorized service station directory or call the factory
at 1-800-224-LANG (5264), or WWW.LANGWORLD.COM
for the service station 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.
If an item on the list is followed by an asterisk (*), the work should be done by a factory
authorized service representative.
Possible Cause
TEST
Product is cooked too long
•
No test available, operational condition
Failed thermostat
•
Check poles on thermostat for continuity
Failed element
•
Remove the wires and check for continuity
across the element
Failed heat 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
•
Check for 24 volts at the contactor coil when
the computer is running
*
Failed temperature sensor
•
Check resistance of sensor for accuracy
Failed pilot light
•
Check light for resistance
Failed transformer
•
Check coils on transformer for correct
resistance
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.
