Lang EHS-AP, Установка, эксплуатация и обслуживание, Страница: 17 / 20

UL File # 8138 Rev. D2010 17
TROUBLESHOOTING CONT’D
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.
TESTS
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 Probe
•
Check probe for proper resistance*
Failed Circuit board •
Confirm that Circuit board is getting correct
voltage and putting out correct voltage*
Failed Transformer
•
Check both Primary and Secondary coils for
correct voltage*
Failed 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*
Failed Motor •
Confirm that motor is getting correct voltage*
Failed or disconnected safety
thermostat
•
Check across the thermostat connectors for
continuity*
Failed Element •
Confirm that Elements are getting correct
voltage and have continuity*
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.