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Diagnostic sequence – Stage 9
The second error (2ND) LED comes on if an over-torque condition occurs while the 60M LED is still lighted. The 2ND
LED indicates that two consecutive over-torque situations have occurred. The ice machine will be shut down at this
time and will not restart unless the manual reset button is depressed.
INPUT
POWER
G
B
W
COMPRESSOR
T.O.L.
RED
WHITE
Diagnostic sequence – Stage 10
If the water level in the fl oat reservoir drops to an unacceptable level, the WTR LED goes out, shutting the ice machine
off. Also, the BT LED comes on, preventing the ice machine from restarting for twenty minutes. If water is restored, the
WTR LED comes back on and fl ashes to alert the technician that water to ice machine has been lost. The ice machine
restarts at the end of the 20 minute time delay. The fl ashing WTR LED can be cleared by pressing the reset button.
INPUT
POWER
G
B
W
COMPRESSOR
T.O.L.
RED
WHITE
28
GRD
FAN
BLACK
BLACK
M
BLACK
R
M
ORANGE
C
S
S
BLACK
HIGH PRESSURE
SAFETY SWITCH
START
GEAR MOTOR
RELAY
START
4
2
BLACK
3
YELLOW
RUN
START CAP.
GEAR MOTOR
RED
START
RUN
GRD
FAN
BLACK
BLACK
M
BLACK
R
M
ORANGE
C
S
S
BLACK
HIGH PRESSURE
SAFETY SWITCH
START
GEAR MOTOR
RELAY
START
4
2
BLACK
3
RUN
YELLOW
START CAP.
GEAR MOTOR
START
RED
RUN
WATER
SENSOR
WHITE
WHITE
RED
BLACK
1
L
BLACK
BLACK
BISON GEARMOTOR
T.O.L.
OR
LINIX GEARMOTOR
T.O.L.
WATER
SENSOR
WHITE
WHITE
RED
BLACK
1
L
BLACK
BLACK
BISON GEARMOTOR
T.O.L.
OR
LINIX GEARMOTOR
T.O.L.
25CI400A/W • 25HI400A • 50CI400A/W • 50HI400A
PWR
RESET
GRD
DR
L1
L1
C
L2
20M
CONTROL
L2
BOARD
60M
L2
L2
2ND
L2
WTR
B-T
COMPRESSOR
B-E
FAN
DRIVE
COMPRESSOR
SWITCH
BIN SIGNAL
FROM DISPENSER
BIN T-STAT
JUNCTION BOX
(MCD400A/WVS series –
blk wire is on 24V)
PWR
RESET
GRD
DR
L1
L1
C
L2
20M
CONTROL
L2
BOARD
60M
L2
L2
2ND
L2
WTR
B-T
COMPRESSOR
B-E
FAN
DRIVE
COMPRESSOR
SWITCH
BIN SIGNAL
FROM DISPENSER
BIN T-STAT
JUNCTION BOX
(MCD400A/WVS series –
blk wire is on 24V)
RED
RED
RED
RED
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Table of Contents
Troubleshooting
