Hoshizaki KMS-1400MLH - Manual (Page 36)

36
Problem Possible Cause Remedy
[1] The icemaker will not
start.
a) Power Supply
(Condensing Unit)
1. Off, blown fuse, or
tripped breaker.
1. Turn on, replace, or reset.
. Loose connections. . Tighten.
3. Bad contacts. 3. Check for continuity and
replace.
4. Not within
specifications.
4. Refer to nameplate and
correct.
b) Water Supply 1. Water supply off or
pressure too low.
1. Check and get
recommended pressure.
c) High Pressure Control 1. Open contacts. 1. Check for continuity, let
reset or replace.
. Dirty condenser coil. . Clean.
3. Refrigerant
overcharged.
3. Recharge.
4. Fan not operating. 4. See chart 1.[6]
5. Refrigerant line or
components plugged.
5. Clean and replace drier.
d) Thermostat
(Condensing Unit High
Temperature Safety)
1. Open contacts. 1. Let cool and reset. Check
for continuity and replace
if open.
e) Wire Harness Terminal
Block: Condensing Unit
and Icemaker
1. Loose connection. 1. Tighten.
f) Fuse (Icemaker fused
disconnect, if any)
1. Blown. 1. Check for short circuit and
correct. Reset or replace.
g) Fuse (10A fuse in
icemaker)
1. Blown. 1. Check for short circuit and
replace.
h) Control Switch 1. "OFF" position. 1. Move to "ICE" position.
. Bad contacts. . Check for continuity and
replace.
3. Loose connection. 3. Tighten.
i) Transformer 1. Open windings. 1. Replace.
j) Bin Control 1. Tripped with bin filled
with ice.
1. Remove ice.
. Proximity switch stuck
open.
. Replace bin control.
k) Wiring to Control Board 1. Loose connections or
open.
1. Check for continuity and
replace.
B. Diagnostic Charts
1. No Ice Production