Led Lights And Audible Alarm Safeties - Hoshizaki MODULAR CUBELET SERENITY SERIES FS-1022MLH-C Service Manual

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
Fill Cycle
Ice Purge Cycle
Freeze Cycle (with refill)
1-in-1 Drain Cycle
(S1 dip switch 4 off)
1-in-12 Drain Cycle
(S1 dip switch 4 on)
The built-in alarm safeties shut down the unit.
No. of Beeps
(every 5 sec.)
1 Low Water Safety
UF/S open > 90 seconds after WV energized.
2 Control Switch
In "DRAIN" position longer than 15 minutes.
3 High-Pressure Switch: N/A on this model.
4 High-Pressure Switch: N/A on this model.
5 Freeze Timer
WV off > 30 minutes since last WV activation.
6 Low Voltage
(92VAC±5% or less)
7 High Voltage
(147VAC±5% or more)
8 Gear Motor
GMPR contacts fail to close.
9 Infrared Sensor (S1 dip switch 7)
MBC actuator paddle engaged.
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
Energized
LED
Components
WTRIN WV
GM GM, EH
GM, COMP, GM, EH, PDS, Comp,
WTRIN* (refill), FMR,
WV* (refill)
FLUSH (Drain) DV
GM, COMP Comp, GM, EH, PDS,
(only if IS not FMR (only if IS not
satisfied) satisfied)
FLUSH (Drain) DV
Type of Alarm
Min.
-
5 min.
-
2 sec.
10 min.
Reset Options
Automatic reset once water supply is restored
and UF/S closes.
Automatic reset once the control switch is
moved to the "ICE" position.
See "III.B.2. SRC-10H" for high-pressure
switch operation.
Manual reset. Turn power off and on again.
"POWER OK" LED turns off if voltage
protection operates.
The control voltage safeties automatically
reset when voltage is corrected.
Manual reset. Turn power off and on again.
Manual reset. Turn power off and on again.
18
Max.
-
5 min.
*On until UF/S closes.
Alarm sounds after
90 sec.
2 sec.
10 min.