Hoshizaki FS-1022MLH-C service manual LED Lights and Audible Alarm Safeties, Sequence Step

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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,

GM, EH, PDS, Comp,

-

*On until UF/S closes.

 

WTRIN* (refill),

FMR,

 

Alarm sounds after

 

 

WV* (refill)

 

90 sec.

1-in-1 Drain Cycle

FLUSH (Drain)

DV

2 sec.

2 sec.

(S1 dip switch 4 off)

GM, COMP

Comp, GM, EH, PDS,

 

 

 

(only if IS not

FMR (only if IS not

 

 

 

satisfied)

satisfied)

 

 

 

 

 

 

 

1-in-12 Drain Cycle

FLUSH (Drain)

DV

10 min.

10 min.

(S1 dip switch 4 on)

 

 

 

 

The built-in alarm safeties shut down the unit.

No. of Beeps

Type of Alarm

Reset Options

(every 5 sec.)

 

 

1

Low Water Safety

Automatic reset once water supply is restored

 

UF/S open > 90 seconds after WV energized.

and UF/S closes.

2

Control Switch

Automatic reset once the control switch is

 

In "DRAIN" position longer than 15 minutes.

moved to the "ICE" position.

3

High-Pressure Switch: N/A on this model.

See "III.B.2. SRC-10H" for high-pressure

4

High-Pressure Switch: N/A on this model.

switch operation.

5

Freeze Timer

Manual reset. Turn power off and on again.

 

WV off > 30 minutes since last WV activation.

 

6

Low Voltage

"POWER OK" LED turns off if voltage

 

(92VAC±5% or less)

protection operates.

7

High Voltage

The control voltage safeties automatically

 

(147VAC±5% or more)

reset when voltage is corrected.

8

Gear Motor

Manual reset. Turn power off and on again.

 

GMPR contacts fail to close.

 

9

Infrared Sensor (S1 dip switch 7)

Manual reset. Turn power off and on again.

 

MBC actuator paddle engaged.

 

Legend: DV–drain valve; EH–evaporator heater; FMR–fan motorremote; GM–gear motor; IS–infrared sensor bin control; MBC–mechanical backup bin control; PDS-pumpdown solenoid valve; WV–inlet water valve

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Contents SRC-10H Hoshizaki AMERICA, INC Contents Page Indicates important information about the use and care Important Safety InformationSerious injury UnitFor SRC Specifications Icemaker FS-1022MLH-CCondensing Unit SRC-10HII. General Information Construction Icemaker FS-1022MLH-CCondensing Unit a SRC-10H Icemaking Unit Sequence of Operation Sequence Cycles and ShutdownDrain Cycle Shutdown Cycle Control Board Sequence Flow Chart FS-1022MLH-C/SRC-10H Sequence Flow ChartControl Board Control Board Layout Control BoardSequence Step LED Lights and Audible Alarm SafetiesNo. of Beeps Type of Alarm Reset Options Every 5 sec Energized Components Min MaxControls and Adjustments S1 Dip Switch Setting Infrared Sensor Shutdown DelaySeconds 1.6 minutes Factory Default S1 Dip Switch Setting Drain Timer Interval S1 Dip Switch Setting Dispense TimeShutdown Delay S1 Dip Switch MechanicalBackup Bin ControlIII Wiring Diagrams Control Low-Pressure Switch Safety Low-Pressure Switch Manual ResetHigh-Pressure Switch Performance Data FS-1022MLH-C with SRC-10HIV. Service Diagnosis Diagnostic ProcedureIce Production Check Page Page Page Control Board Check 5VDC Page Bin Control Check Infrared Sensor CheckMechanical Backup Bin Control Check Page Float Switch Check and Cleaning Float Switch CheckFloat Switch Cleaning Page Diagnostic Charts No Ice ProductionNo Ice Production Possible Cause Startup No Ice Production Possible Cause Shutdown Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery BrazingEvacuation and Recharge R-404A Important Notes for Component Replacement Evaporator Assembly Components. See FigComponent Evaporator Assembly Removal and Replacement of Cutter Upper Bearing Wear CheckRemoval and Replacement of Extruding Head Removal and Replacement of AugerRemoval and Replacement of Evaporator Page 6b. Lower Housing Removal and Replacement of Gear MotorPage Cleaning Solution VI. Cleaning and MaintenanceCleaning and Sanitizing Instructions Cleaning ProcedureFloat Switch Assembly Reservoir Cover Sanitizing Solution Sanitizing Procedure InitialSanitizing Procedure Final Maintenance Maintenance Schedule Frequency Area TaskPreparing the Icemaker for Long Storage Remove the water from the icemaker water supply lineDrain the evaporator