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TROUBLESSHOOTING CONT.
TESTS
POSSIBLE CAUSE
Failed Regulator
Failed transformer
Failed power cord or plug
Failed power switch
Failed pilot light
Failed gas valve
Failed igniter
Failed spark module
Failed circuit board
Failed temperature sensor
Failed temperature selector
Open wire between selector and
circuit board
Incorrect gas pressure
Plugged regulator vent, or orifice
NOTICE:
Service on this, or any other, LANG appliance must be performed by
qualified personnel only. Consult your LANG authorized service agent
directory or call the factory at (314) 678-6315,
or WWW.LANGWORLD.COM For the service agent nearest you.
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
WARNING
UNIT FROM THE ELECTRIC POWER SUPPLY.
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
CAUTION
WILL VOID ALL WARRANTIES.
• Replace regulator
• Check transformer for correct voltage, replace as necessary
• Check cord and plug for proper voltage
• Check switch for continuity across poles
• Check for continuity across pilot light leads
• Remove the wires from the valve terminals and check for
continuity across the coil
• Replace as necessary
• Check for correct incoming voltage at module
• Check for proper voltage and operation
• Ohm sensor for correct resistance
• Remove the wires and check the resistance on all settings
• Replace as necessary
• Adjust to correct pressure
• Clean as necessary
14
TEST
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