Erc Control Board, Keypad & Display - Manitowoc Multiplex Beermaster 75A04 Technician's Handbook

ERC Control Board, Keypad & Display
144
ERC CONTROL BOARD
KEYPAD /
DISPLAY NOT
WORKING
KEYPAD
BUTTON(S) DO
NOT RESPOND,
RESPECTIVE
LEDS DO NOT
COME ON
TURN POWER
OFF THEN ON
TO RESET ERC
KEYPAD
NO
BUTTONS NOW
WORK
YES
DISPLAY SHOWS
POWER UP
COUNTDOWN"PdXX"
REPLACE KEYPAD / DISPLAY
020001986
REPLACE ERC CONTROL
BOARD 020001985
IF DISPLAY FLASHES ERRATIC
NUMBERS / SYMBOLS, REPLACE
KEYPAD / DISPLAY020001986
GENERAL NOTE: FOR DISPLAY PROBLEMS, IF
COUNTDOWN OCCURS ON POWER UP, "PdXX",
THEN DISPLAY IS PROBABLY AT FAULT, NOT
ERC
AND KEYPAD /
DISPLAY
ERC POWER
LED NOT ON
VERIFY PROPER
VOLTAGE ON
ERC TERMINALS
L1 AND L2
POWER ERC
OFF, THEN ON,
VERIFY NO
COUNTDOWN
"PdXX"ON
DISPLAY
REPLACE
ERC
CONTROL
BOARD
NO
YES
Part Number STH13 9/10