Hoshizaki DCM-500BWH-OS - Manual (Page 39)

39
Problem Possible Cause Remedy
[1] The icemaker will
not start. (Fill Cycle)
(continued)
m)High Pressure Switch 1. Bad contacts. 1. Check for continuity and
replace.
. Dirty air filter or
condenser.
. Clean.
3. Ambient or condenser
water temperature too
warm.
3. Reduce temperature.
4. Refrigerant
overcharged.
4. Recover, evacuate, and
recharge.
5. Fan not operating
(except water-cooled
model).
5. See "3.[]a) Fan Motor."
6. Refrigerant line or
components restricted.
6. Remove the restriction or
component and replace
the drier.
7. Condenser water
pressure too low or off
(water-cooled model
only).
7. Check and get
recommended pressure.
8. Water regulating
valve set too high
(water-cooled model
only).
8. Adjust it lower.
n) Plug and Receptacle
(Control Box)
1. Disconnected. 1. Connect.
. Loose terminal. . Repair terminal
connection.
o) Control Board 1. Defective. 1. See "II.D.4. Control Board
Check Procedure."
[] Fill cycle will not
terminate.
a) Water Supply 1. Water supply off or
pressure too low.
1. Check and get
recommended pressure.
b) Float Switch 1. Connector
disconnected.
1. Reconnect.
. Float does not move
freely.
. Clean or replace.
3. Defective switch. 3. Check and replace.
c) Water Control Relay 1. Contacts sticking. 1. Replace.
. Coil winding open. . Replace.
d) Drain Valve 1. Valve seat won't seal
and water leaking.
1. Clean or replace.
e) Hoses 1. Disconnected or
damaged.
1. Reconnect or replace.
f) Control Board 1. Defective. 1. See "II.D.4. Control Board
Check Procedure."