15
TROUBLESHOOTING CONT’D
TEST
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
Incorrect Voltage
•
Confirm that is voltage is correct*
•
Confirm that melter is phased correctly*
Defective Power Switch
•
Check switch for proper operation*
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*
Defective Selector Switch
•
Check switch for proper operation*
Failed Element
•
Confirm that Elements are getting correct
voltage and have continuity*
Defective Rack Switch
•
Confirm that plunger rod can move up and
down easily
•
Confirm that switch has correct voltage*
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.
Summary of Contents for MM24
Page 17: ...17 WIRING DIAGRAM MM24 MM36...
Page 18: ...18 WIRING DIAGRAM MM48...
