Hoshizaki MODULAR CUBELET SERENITY SERIES FS-1022MLH-C User Manual

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D. Bin Control Check
1. Infrared Sensor Check
IMPORTANT
MakesureS1dipswitch7isinthe"ON"position.Thisallowsthecontrolboard
to monitor the infrared sensor along with the mechanical backup bin control.
1) Remove the front panel.
2)Movethepowerswitchtothe"OFF"position,thenunplugtheunitfromtheelectrical
outlet.
3) Remove the control box cover and access CB. Conrm that S1 dip switch 1, 2, 3 are in
theproperpositionforyourapplication.See"II.C.3.b)InfraredSensorShutdownDelay
(S1dipswitch1,2,3)."
4) Conrm that IS is connected to the K6 connector on CB. Wipe down the IS lens with
a clean, warm, damp cloth. If the bottom of the icemaker is not accessible in your
application, remove the thumbscrew securing the IS housing, then remove the housing
from the base. See Fig. 3.
5)Makesurethecontrolswitchisinthe"ICE"position,thenplugtheicemakerintothe
electrical outlet.
6)Movethepowerswitchtothe"ON"positiontostarttheautomaticicemakingprocess.
Check that the IS green LED is on. The green LED conrms 20VDC power from CB to
IS and remains on constantly. Diagnosis: If the green LED is not on, conrm 20VDC at
K6 connector dark blue (DBU) to brown (BR). If 20VDC is present and the green LED is
off,ISisbadandmustbereplaced.Ifnot,seestep"3)ISPowerSupply,"under"IV.C.
ControlBoardCheck."
7)Makesurethe"GM"LEDonCBison.Thereisadelayofatleast30secondsbeforethe
"GM"LEDturnsonafterpower-up.Afterthe"GM"LEDturnson,pressthe"SERVICE"
button on CB to bypass the 5-minute ice purge cycle. WARNING! Risk of electric
shock. Care should be taken not to touch live terminals.
8)"GM"and"COMP"LEDsareon.UseanobjecttocoverISlens.TheyellowLEDonIS
turnson(ashingorsteady).TheyellowLEDasheswheniceisattheouterlimitofits
rangeandturnssteadyasicenears.AftertheyellowLEDturnson(ashingorsteady),
ISshutdowndelaytimerstarts.See"II.C.3.b)InfraredSensorShutdownDelay(S1dip
switch1,2,3)."CompandFMRshouldde-energizeimmediatelyaftertheshutdown
delay timer terminates. Five minutes later, GM should de-energize. Diagnosis: If the
yellow LED is not on after covering the lens, IS is bad and must be replaced. If the unit
remains on after IS shutdown delay timer terminates and the 5-minute ice purge timer
terminates, CB is bad and must be replaced. If IS fails to shut down the icemaker and
the level of ice activates MBC, the icemaker shuts down within 10 seconds of MBC
openinganda9-beepalarmsounds.Toreset,movethepowerswitchtothe"OFF"
position,andthenbacktothe"ON"position.

Hoshizaki MODULAR CUBELET SERENITY SERIES FS-1022MLH-C Specifications

General

Brand	Hoshizaki
Model	MODULAR CUBELET SERENITY SERIES FS-1022MLH-C
Category	Ice Maker
Language	English