Hoshizaki FS-1022MLH-C Ice Maker User Manual


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15
1-in-1 drain cycle. DV opens for 2 seconds every
hour (S1 Dip Switch 4).
"F-A" Control Board Sequence Flow Chart
FS-1022MLH-C/SRC-10H
LF/S closed
UF/S closed
FT terminates
WV de-energizes
3. 1-in-12 Drain Cycle
& Restart (optional)
3. Icemaker Off
UF/S open
LF/S open
FT starts (90 sec.)
WV energizes
Comp continues
EH continues
FMR continues
GM continues
PDS continues
1. Startup
2. Ice Purge Cycle
WV energizes
FT starts (90 sec.)
PDS energizes
CLPS closes
Comp energizes
FMR energizes
EH continues
GM 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
PDS de-energizes
CLPS opens
Comp de-energizes
FMR de-energizes
GM continues
1. Fill Cycle
3. Freeze Cycle
LF/S closed
UF/S closed
FT terminates
WV de-energizes
Comp continues
EH continues
FMR continues
GM continues
PDS continues
Low Water Safety
UF/S open
FT exceeded
1-beep alarm sounds
PDS de-energizes
CLPS opens
Comp de-energizes
FMR de-energizes
EH continues
GM continues
WV continues
DV energizes (DC only)
GM de-energizes
2. Ice Purge Cycle
10-min. DT terminates (DC only)
DV de-energizes (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, 2, 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:
CLPS-control low-pressure switch
Comp-compressor
DC-drain cycle
DT-drain timer
DV-drain valve
EH-evaporator heater
FMR-fan motor-remote
FT-ll timer (low water safety)
GM-gear motor
IS-infrared sensor bin control
If Fill > 90 sec.
FT1-beep alarm
sounds.
When UF/S
closes alarm
resets and
2. 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-12 drain cycle is available. For 1-in-12 drain
cyclesequence,see"3.1-in-12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
2. Ice Purge Cycle
starts.
1-beep alarm continues
WV continues
EH de-energizes
GM de-energizes
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"2.IcePurgeCycle"above
to"1.FillCycle"above
90 seconds
(S1 dip switch 4)
FT terminates
(90 sec.)
FT exceeded
PT terminates
30 sec.
EH energizes
GM energizes
LF/S-loweroatswitch
MBC-mechanical backup
bin control
PDS-pump-down solenoid valve
PT-purge timer
UF/S-upperoatswitch
WV-water valve
Icemaker status
does not change.
2. Sequence Flow Chart
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