Hoshizaki DCM-750BAH Ice Maker User Manual


 
38
C. Diagnostic Charts
1. No Ice Production
Problem Possible Cause Remedy
[]
The icemaker will not
start. (Fill Cycle)
a) Power Supply .Off, blown fuse, or
tripped breaker.
.Turn on, replace, or reset.
.
Loose connection. .Tighten.
3.Bad contacts. 3.Check for continuity and
replace.
4.Not within
specications.
4.Refer to nameplate and
correct.
b) Water Supply .Water supply off or
pressure too low.
.Check and get
recommended pressure.
c) Power Switch
(Control Box)
."OFF" position. .Move to "ON" position.
.
Bad contacts. .Check for continuity and
replace.
d) Door Switch .Door switch not
engaged.
.Engage door switch.
.
Bad contacts. .Check for continuity and
replace.
e) Power Protect Relay . Voltage not within
specications.
.Refer to nameplate and
correct.
.
Bad contacts. .Check for continuity and
replace.
f) Transformer .Coil winding open. .Replace.
g) Fuses () .Blown. .Check for short circuit and
replace.
h) Control Switch ."OFF" or "DRAIN"
position.
.Move to "ICE" position.
.
Bad contacts. .Check for continuity and
replace.
i) Water Control Relay . Bad contacts. .Check for continuity and
replace.
.
Coil winding open. .Replace.
j) Inlet Water Valve .Mesh lter or orice
clogged.
.Clean.
.
Coil winding open. .Replace.
3.Wiring to inlet water
valve.
3.Check for loose or open
connection. Repair or
replace.
k) Float Switch .Bad contacts. .Check for continuity and
replace.
.
Float does not move
freely.
.Clean or replace.
l) Bin Control .Open. .Bin full, check for
continuity on proximity
switch.
.
Actuator sticking. .Adjust or replace.
3.Proximity switch open. 3.Replace.