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Arctica Refrigerator Main Board Troubleshooting Flow Chart
CHANGE
SETTING TO 5
YES
NO
PRESS EITHER COLDER OR WARMER BUTTON
ON FF TEMP. CAN YOU CHANGE SETTINGS?
D
DO
NO
DISPENSER
FUNCTIONS
WORK?
YES
NO
A
B
NO
ARE LIGHT BULBS IN
COMPARTMENT LIT?
YES
CHECK AC
FIX MAIN
POWER
CONNECTION AT
CONNECTION
NO
MAIN BOARD
PROBLEM
GOOD
OK
CHECK DC
NO
POWER
GOOD
CONNECTIONS
CONNECTION
IN MACHINE
AT MAIN
BOARD
COMPT NEAR
WATER VALVE
OK
B
NO
GOOD
CHECK FUSE
ON MAIN
NO
BOARD
GOOD
OK
REMOVE ALL DC
E
OUTPUT
CONNECTIONS
FROM MAIN
NO
BOARD AND
GOOD
CHECK 12V ON
THE BOARD
OK
CHECK FOR
SHORT
BETWEEN FAN
MOTORS AND ON
CONNECTOR J4,
PINS 2 TO 3
CORRECT
SHORT OR
REPLACE FAN
AS NEEDED
MEASURE
OK
RESISTANCE OF
THERMISTORS
NO
GOOD
REPLACE
BAD
THERMISTOR
NO
PRESS EITHER COLDER OR
WARMER BUTTON ON FF TEMP.
CAN YOU CHANGE SETTINGS?
YES
IS FZ SETTING
DISPLAYED 5 +/- 1 ?
CHECK POWER CORD
AND HOME CIRCUIT
BREAKER / FUSE. OK?
YES
NO
BOARD
FIX HOME
ELECTRICAL
PROBLEM OR
HAVE
CUSTOMER
CALL
CHECK
ELECTRICIAN
OK
CHECK
OK
BOTH
DOOR
SWITCHES
NO
GOOD
CONTACT
TAG TEAM
END
REPAIR OR
REPLACE
WIRING AND/OR
CONNECTIONS
YES
AS NEEDED.
PROBLEM
SOLVED?
NO
REPLACE
REFRIGERATOR
CIRCLE NODES:
FOLLOW THE
ARROWS - EXAMPLE:
THEN
A
A
GO TO
START - OPEN FF DOOR
CAN YOU SEE TEMP SETTINGS LIGHT UP NEAR TOP OF DOOR?
IS FF SETTING DISPLAYED 5 +/- 1 ?
NO
YES
PRESS EITHER COLDER OR
WARMER BUTTON ONCE ON
C
FF TEMP. IS TEMP DISPLAYED
NO
37 DEG F +/- 2 ?
YES
YES
PRESS EITHER COLDER OR
WARMER BUTTON ON FF TEMP.
CAN YOU CHANGE SETTINGS?
YES
PRESS EITHER
COLDER OR WARMER
BUTTON ON FZ TEMP.
IS TEMP DISPLAYED 0
DEG F +/- 2 ?
YES
PRESS EITHER
COLDER OR
WARMER BUTTON
ON FZ TEMP. CAN
YOU CHANGE
SETTINGS?
YES
PRESS DOOR SWITCH ON
BOTTOM RIGHT OF FF CASING.
CAN YOU HEAR FAN START AND
DOES THE LIGHT TURN OFF?
YES
VERIFY THAT ALL
PANS/SHELVES
ARE SEATED
VERIFY NO DOOR
OBSTRUCTIONS
CLOSE FF DOOR
VERIFY ICE
BUCKET SEATED
VERIFY VOLTAGE OUTPUT
ON MAIN BOARD TO DAMPER
PER TECH MANUAL
NO GOOD
ALL WIRING AND
NO
WIRING
CONNECTIONS OK?
YES
REPLACE
E
MAIN BOARD
VERIFY TURBOCOOL
OFF. IS UNIT A CUSTOM
NO
PRESS EITHER COLDER OR
NO
WARMER BUTTON ON FF TEMP.
CAN YOU CHANGE SETTINGS?
D
NO
CHANGE SETTING
PRESS EITHER COLDER OR
WARMER BUTTON ON FZ TEMP.
CAN YOU CHANGE SETTINGS?
NO
REPLACE
TEMP BOARD
AND ALSO
MEMBRANE (IF
NO
MEMBRANE
VERSION)
A
REFRIG MAY NOT BE
IN COOLING CYCLE.
NO
LEAVE DOOR OPEN
FOR 3 MIN. DID EVAP
FAN COME ON?
YES
NO
CHECK EVAP FAN FOR
GOOD
OBSTRUCTION, DAMAGE,
WIRING CONNECTIONS
OK
FIX EVAP FAN
CHECK
VOLTAGES TO
FAN FROM MAIN
NO
BOARD
GOOD
OK
REPLACE
EVAP FAN
OK
REPLACE
DAMPER
OK
REPAIR/REPLACE WIRING
AND/OR CONNECTIONS AS
NEEDED. PROBLEM SOLVED?
NO
YES
COOL MODEL?
YES
NO
YES
TO 37 DEG F
C
YES
NO
CHANGE
SETTING TO 0
DEG F
(CUSTOMCOOL
MODELS) OR 5
(NON-
CUSTOMCOOL
MODELS)
NO
CHECK EVAP FAN.
IS IT ICED UP?
YES
NO
RESOLVE
ICING ISSUE
PROBLEM
CHECK FOR
NO
BROWN SPOT
GOOD
ON MAIN
BOARD (R95
RESISTOR)
CONTACT
TAG TEAM
YES
END
REPLACE
EVAP FAN
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