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Kepco Power Solutions
718-461-7000
PRODUCT
SUPPORT
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PROBLEM
CHECKLIST
SENSE
CONNECTIONS
KEYPAD
PROBLEMS
RS 232
PROBLEMS
BOP
100W, 200W, 400W

APPLICATION NOTES
BOP 1KW
APPLICATION NOTES
PARALLEL
DIODES
TECHNICAL
MANUALS
FACTORY
REPAIRS
DECLARATIONS
OF CONFORMANCE
KLP FIRMWARE
VERSION
BOP 1KW FIRMWARE
VERSION
EL LOAD FIRMWARE
VERSION
The keypad in Models ABC, MBT, BHK and ATE-DMG may become erratic due to carbon buildup. The following procedure can usually restore full functionality, although the keypad assembly may eventually have to be replaced.

WARNING: The following procedure must be done by a qualified service technician only after the unit has been disconnected from mains power.

  1. Turn the unit off and unplug the unit from mains source power.
  2. Remove the top cover from the unit.
  3. Disconnect the cable from the keypad assembly.
  4. Remove four nuts and washers to remove the keypad assembly from the chassis.
  5. Separate the rubber keypad from the printed circuit board. Some models have four spacers between the rubber keypad and the printed circuit board. These must be saved for reassembly.
  6. Using a Q-tip and denatured alcohol, clean the printed circuit board contacts.
  7. Reverse the preceding steps to reassemble the unit, taking care to reinsert spacers if noted during disassembly.

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KEPCO, INC. 131-38 SANFORD AVENUE FLUSHING, NY. 11355 U.S.A.
TEL (718) 461-7000 FAX (718) 767-1102
www.kepcopower.com email: hq@kepcopower.com