Hoshizaki MODULAR CUBELET SERENITY SERIES FS-1022MLH-C - Manual (Page 18)

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2. LED Lights and Audible Alarm Safeties
The "POWER OK" LED indicates proper control voltage and will remain on unless a
control voltage problem occurs. For further details, see "II.B. Sequence of Operation."
Sequence Step LED
Energized
Components Min. Max.
Fill Cycle WTRIN WV - -
Ice Purge Cycle GM GM, EH 5 min. 5 min.
Freeze Cycle (with refill) GM, COMP,
WTRIN* (refill), GM, EH, PDS, Comp,
FMR,
WV* (refill) - *On until UF/S closes.
Alarm sounds after
90 sec.
1-in-1 Drain Cycle
(S1 dip switch 4 off) FLUSH (Drain)
GM, COMP
(only if IS not
satisfied) DV
Comp, GM, EH, PDS,
FMR (only if IS not
satisfied) 2 sec. 2 sec.
1-in-12 Drain Cycle
(S1 dip switch 4 on) FLUSH (Drain) DV 10 min. 10 min.
The built-in alarm safeties shut down the unit.
No. of Beeps
(every 5 sec.)
Type of Alarm Reset Options
1 Low Water Safety
UF/S open > 90 seconds after WV energized. Automatic reset once water supply is restored
and UF/S closes.
2 Control Switch
In "DRAIN" position longer than 15 minutes. Automatic reset once the control switch is
moved to the "ICE" position.
3 High-Pressure Switch: N/A on this model. See "III.B.2. SRC-10H" for high-pressure
switch operation.
4 High-Pressure Switch: N/A on this model.
5 Freeze Timer
WV off > 30 minutes since last WV activation. Manual reset. Turn power off and on again.
6 Low Voltage
(92VAC±5% or less) "POWER OK" LED turns off if voltage
protection operates.
The control voltage safeties automatically
reset when voltage is corrected.
7 High Voltage
(147VAC±5% or more)
8 Gear Motor
GMPR contacts fail to close. Manual reset. Turn power off and on again.
9 Infrared Sensor (S1 dip switch 7)
MBC actuator paddle engaged. Manual reset. Turn power off and on again.
Legend: DV–drain valve; EH–evaporator heater; FMR–fan motor-remote; GM–gear
motor; IS–infrared sensor bin control; MBC–mechanical backup bin control;
PDS-pump-down solenoid valve; WV–inlet water valve