5
1-in-1 drain cycle. DV opens for  seconds every hour
(S1 Dip Switch 4).
Icemaker status does not change.
FD Sequence Flow Chart
LF/S closed
UF/S closed
FT off
WV off

3. 1-in-12 Drain Cycle

& Restart (optional)

3. Icemaker Off
UF/S open
LF/S open (WV on)
FT started (90 sec.)
WV on
CR continues
Comp continues
GMR continues
GM continues
GMPR continues
FM continues
FMR continues
LLV continues
SLV continues

1. Startup

2. Ice Purge Cycle
WV on
FT on (90 sec.)
CR on
Comp on
LLV on
SLV on
GMR continues
GM continues
GMPR continues
FM continues
FMR continues
Power Switch "ON"
Control Switch in "ICE"
POWER OK LED on
IS Green LED on
IS Yellow LED off

2. Infrared Sensor Shutdown & Restart

1. Bin Full
IS activated or
DC starts
CR off
Comp off
LLV off
SLV off
GMR continues
GM continues
GMPR continues
FM continues
FMR continues
1. Fill Cycle 3. Freeze Cycle
LF/S closed
UF/S closed
FT off
WV off
CR continues
Comp continues
GMR continues
GM continues
GMPR continues
FM continues
FMR continues
LLV continues
SLV continues
Low Water Safety
UF/S open
WV on
FT exceeded
1-beep alarm sounds
CR off
Comp off
LLV off
SLV off
GMR continues
GM continues
GMPR continues
FM continues
FMR continues
DV on (DC only)
GMR off
GM off
GMPR off
FM off
FMR off
2. Ice Purge Cycle
10-min. DT off (DC only)
DV off (DC only)
1-in-12 DT reset (DC only)
IS Green LED on
IS Yellow LED (ashing or steady)
IS delay determined by S1 dip switch
1, , & 3
4. Icemaker Restart
5 minutes
Note: If IS fails to shutdown the
icemaker, MBC opens and a
9-beep alarm sounds.
4. Icemaker Restart
2. Ice Purge Cycle 3. 10-Minute
Drain
Legend:
Comp-compressor
CR-compressor relay
DC-drain cycle
DT-drain timer
DV-drain valve
FM-fan motor
FMR-fan motor-remote
FT-ll timer (low water safety)
GM-gear motor
GMPR-gear motor protect relay
GMR-gear motor relay (X CB)
IS-infrared sensor bin control
LF/S-lower oat switch
LLV-liquid line valve (MLH only)
MBC-mechanical bin control
PT-purge timer
SLV-suction line valve (MLH only)
UF/S-upper oat switch
WV-water valve
If Fill > 90 sec. FT
1-beep alarm sounds
WV continues
When UF/S closes
alarm resets and
. Ice Purge Cycle starts.
Maximum
90 seconds
4. 1-in-12 Drain Cycle - Although the factory default 1-in-1 drain cycle
is recommended, a 1-in-1 drain cycle is available. For 1-in-1 drain
cycle sequence, see "3. 1-in-1 Hour Drain Cycle & Restart (optional)."
Rell
FT Maximum
90 seconds
90 sec. FT exceeded
1-beep alarm sounds
90 sec. PT begins
When UF/S closes,
alarm resets and
. Ice Purge Cycle
starts.
1-beep alarm continues
WV continues
GMR off
GM off
GMPR off
FM off
FMR off
IS Green LED on
IS Yellow LED off
IS Green LED on
IS Yellow LED off
1. DT Initiates DC
To bypass, press the
"SERVICE" button after
GM starts.
5 minutes
to ". Ice Purge Cycle" above
to "1. Fill Cycle" above
90 seconds
(S1 dip switch 4)
FT off (90 sec.)

FT exceeded

PT terminates

30 sec.
GMR on
GM on
GMPR on
FM on
FMR on
2. Sequence Flow Chart