Lang DO54B Installation, Operation And Maintenance Instructions - Troubleshooting
13
TROUBLESHOOTING
Symptoms
What follows is a chart of Symptoms, Possible Causes, and Remedy’s to
aid in diagnosing faults with the oven.
Refer to the Symptoms column to locate the type of failure then to the
Possible Cause for the items to be checked and the Remedy to column for
possible solutions.
SYMPTOM POSSIBLE
CAUSE
Oven will not heat
• No power to Range
• Internal breaker tripped
• Defective
Thermostat
• Defective 3-heat switch
• Defective oven element
Product is burning
• Product is cooked too long
• Failed Thermostat
• Failed 3-heat switch
Product under done
• Product is not cooking long enough
• Failed
thermostat
• Failed 3-heat switch
TESTS
NOTICE:
Service on this, or any other, STAR appliance must be performed
by qualified personnel only. Consult your authorized service agent
directory or call the factory at 1-800-807-9054 or visit our website
WWW.STAR-MFG.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.
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
• Verify calibration
Failed element
• Remove the wires and check for continuity
across the element*
Failed 3-heat switch
• Call factory or consult Service manual for
correct checks on each switch*
Failed or internal breaker
• Reset breaker
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.