Hoshizaki KM-1601MRH/3 Ice Maker User Manual


 
17
Control Board
Part Number 2A1410-01 (factory); 2A1410-02 (service)
"E" Control Board
1. Control Board Layout
Output Test Switch
(used to test relays on control
board)
Connector K3
Harvest Control
(thermistor)
Connector K4
Open
(not connected)
Microprocessor
(control board
revision level
indicated by last 2
digits on label)
Connector K5
Float Switch
Part Number
Connector K1
Pins #1 through #10
#1, 9 Magnetic Contactor
#2 Hot Gas Valve
#3 Line Valve
Self-Contained Fan Motor (FMS)
#4 Pump Motor (icemaking)
#5 Pump Motor (drain)
#6 Water Valve
#7, 10 Power (line, bin control)
#8 Open
Switchfor"C"and
"ALPINE"controlboard
(service control boards only)
Alarm Reset Switch
Backup Freeze
Timer LED
Dip Switch
Backup Harvest
Timer LED
Alarm Buzzer
Power LED
(lights when
power is supplied
to the control
board)
Relay LEDs (4)
(indicate which
relays are energized
as listed below)
LED 2
Hot Gas Valve (HGV)
Self-Contained Fan
Motor (FMS) (FMS
off when LED on)
LED 3
Pump Motor (PM)
(on at pump out only)
LED 4
Water Valve (WV)
LED 1
Compressor (Comp)
Remote Fan Motor
(FMR)
Transformer
Connector