20
Troubleshooting
NOTICE
Service on this or any other Lang Manufacturing appliance must be
performed by qualified personnel only. Consult your authorized service
agent directory or call the factory at 314-678-6315, or visit our website at
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.
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 is not an exact science. Several factors may play a part in why your machine is not
operating correctly. The following symptoms are a general idea of what may be causing the malfunction
and should not be considered the complete answer to the situation that you have with your machine. Here
are some of the possible problems you may encounter and possible solutions to those problems.
If the information does not assist you in correcting the problem, contact the nearest Lang service
representative or Star Manufacturing International.
Refer to the Symptoms column to locate the type of failure then to the Possible Cause for the items to be
checked.
To test for a possible cause, refer to the TEST section and locate the Possible Cause then refer to test to
identify test procedures
.
Symptom Possible
Cause
Test
Controller will not come
on.
Griddle not plugged in
Control power not connected
No power at plug
Check power cord connection
Check connection of the pin
connector on the control
Verify plug has power.
All griddle sections spark
but none will light.
Gas supply not connected or turned
on.
Gas supply not purged of air.
Check gas connections and gas
valve
Try Ignition sequence again
A section sparks but will
not light
Gas valve failed
Spark module, valve output failed
Spark probe misaligned
Sparking away from spark probe.
Apply 120-volts to valve and
listen for solenoid actuation.
Check voltage between wires
connected to valve after heat call
and while igniter is sparking
(should be 120-volts)
Visually inspect spark probe
Visually inspect spark probe
One section does not
spark
Main Connector on spark module
not plugged in properly
Heat call (power from controller) not
reaching spark module
Spark Module Failed
Verify connection
Check wiring
Replace module
