Hoshizaki KM1601SRH350 Service Manual page 30

Problem
[1] The icemaker will not
start. (continued)
[] Fill cycle will not
terminate.
Possible Cause
h) High Pressure Control
(continued)
i) Wiring to Control Board 1. Loose connections or
j) Interlock Switch
(Cleaning Valve)
k) Thermistor
l) Hot Gas Valve
m)Inlet Water Valve
n) Float Switch
o) Control Board
a) Water Supply
b) Float Switch
c) Control Board
6. Refrigerant line or
components plugged.
7. Condenser water
pressure too low or
off (water-cooled
models).
open.
1. Open position.
. Bad contacts.
1. Leads shorted or open
and high temperature
or harvest backup
timer safety operates
(1 beep or  beep
alarm).
1. Continues to open
in freeze cycle and
freeze timer safety
operates (3 beep
alarm).
1. Mesh filter or orifice
gets clogged and
water supply cycle
does not finish.
. Coil winding open.
3. Wiring to inlet water
valve.
1. Bad contacts.
. Float does not move
freely.
1. Defective or in alarm. 1. See "II.C.4. Control
1. Water supply off or
pressure too low.
1. Connector
disconnected.
. Defective switch.
3. Float does not move
freely.
1. Defective.
30
Remedy
6. Clean and replace
drier.
7. Check and get
recommended
pressure.
1. Check for continuity
and replace.
1. Move to closed
position.
. Check for continuity
and replace.
1. See "II.D. Harvest
Control - Thermistor."
1. Check for hot gas
valve stuck open and
replace.
1. Clean.
. Replace.
3. Check for loose
connection or open,
and replace.
1. Check for continuity
and replace.
. Clean or replace. See
"II.E. Float Switch."
Board Check
Procedure."
1. Check and get
recommended
pressure.
1. Reconnect.
. Check and replace.
See "II.E. Float Switch."
3. Clean or replace. See
"II.E. Float Switch."
1. See "II.C.4. Control
Board Check
Procedure."