USER GUIDE
Control Operation - Service 1
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SERVICE
Control Operation - Service
REVIEW ACTUAL TEMPS
REVIEW ERROR LOG
RELAY STATUS
RELAY TOGGLE
INPUTS
O
UTPUTS
OFFSETS
SELF TEST
DIFFERENTIALS
SET POINTS
FACTORY DEFAULTS
RESELECT MODEL
FAN DELAY
SHOWROOM MODE
EXIT
TO ENTER THE MAIN SERVICE MENU
PRESS AND HOLD
FOR 5 SECONDS
AND
SERVICE MENU
ACTUAL TEMPS
RELAY STATUS
ALL ERRORS
ENTER & EXIT
SUB-MENU ITEM
SCROLL
THROUGH
MENU
SHOWS TEMPERATURES WITHOUT OFFSETS. EACH ZONE HAS AN
EVAP AND AIR THERMISTOR. EACH UNIT HAS AN AMBIENT THERMISTOR
RETURN TO MENU
ACTUAL TEMPS
LEFT ZONE = 52°
LEFT EVAP = 52°
RETURN TO MENU
ALL ERRORS
NO COMM 3
L ZONE T OPEN 0
RETURN TO MENU
RELAY STATUS
MULL COND
DEF LVLV
OFF OFF OFF ON
RETURN TO MENU
RELAY TOGGLE
MULL OFF
COND OFF
RETURN TO MENU
INPUTS
LEFT DOOR CLOSED
RIGHT DOOR OPEN
RETURN TO MENU
OUTPUTS
L EVAP FAN = 0%
R EVAP FAN = 0%
RETURN TO MENU
OFFSETS
RIGHT ZONE = -18°C
RIGHT EVAP = -17°C
RETURN TO MENU
SELF TEST
NO ERRORS
RETURN TO MENU
DIFFERENTIALS
LEFT = -16°C
RIGHT = -16°C
RETURN TO MENU
SET POINTS
LEFT ZONE = 12°C
LEFT EVAP = 7°C
RETURN TO MENU
FACTORY DEFAULT
RESTORE?
RETURN TO MENU
RE-SELECT MODEL
3090WCWC
RETURN TO MENU
FAN DELAY
FAN 1 DELAY OFF = 1
FAN 2 DELAY ON = 2
RETURN TO MENU
SHOWROOM MODE
OFF
FAN DELAY
USB PORT
SHOWROOM MODE
EXIT
RANDOMLY SCROLLS THROUGH ZONES, MODES, TEMPERATURES AND OTHER
FEATURES. TOUCH AND HOLD
TO EXIT SHOWROOM MODE
SCROLL DOWN TO “EXIT”. TOUCH AND RELEASE TO EXIT SERVICE MODE.
DISPLAYS THE NUMBER OF TIMES AN ERROR HAS OCCURRED.
SCROLL TO THE END TO ERASE THE ERROR CODES
DISPLAYS THE CURRENT STATUS OF THE RELAYS ON THE BOARD
(not all relays are used on all models)
ALLOWS THE RELAYS TO BE TOGGLED ON/OFF TO CHECK RELAY & COMPONENT.
YOU CAN TURN ON MULTIPLE RELAYS TO CHECK A ZONE, (COMP FAN ETC)
DISPLAYS DOOR SWITCH STATE, TEST INPUT, AND USB STATE
MONITORS THE STATE OF DC OUTPUTS
(eva
S FRQGHQVHUIDQVDQGOLJKWLQJRɞO
ow - med - high)
OFFSETS ARE USED TO ADJUST OR CORRECT THERMISTOR READINGS.
CORRECTED VALUES MAY BE VIEWED THROUGH THE CUSTOMER MENU
SELF TEST IS USED TO DIAGNOSE THE BOARD. IF NO ERRORS ARE PRESENT
“NO ERRORS” WILL BE DISPLAYED, THE MAIN BOARD IS FUNCTIONING PROPERLY
DIFFERENTIALS ARE USED TO DETERMINE AT WHAT TEMPERATURE THE UNIT
CYCLES. “O” SETTING IS +/- 2° DIFFERENTIAL
THE SET POINTS MENU IS USED TO MODIFY BOTH THE ZONE AND EVAP SET POINTS.
THE EVAP SET POINT IS USED DURING DEFROST, IT MUST REACH 42°F (6°C)
FACTORY DEFAULT IS USED TO RESTORE ALL SETTINGS TO THE FACTORY
DEFAULT FOR THE SELECTED MODEL
FAN DELAY ALLOWS MODIFICATION OF FAN RUN TIMES BOTH AT THE START
OF A COOLING CYCLE AND AT THE END AFTER THE COMPRESSOR STOPS
RE-SELECT MODEL IS USED TO MODIFY THE MODEL INFORMATION. CHANGING
THE MODEL COMPLETELY REPROGRAMS AVAILABLE ZONES
TO GO TO NEXT SUB-MENU ITEM
YOU MUST ARROW UP TO “RETURN TO MENU”
TOUCH AND RELEASE
TO RETURN TO THE MAIN MENU