Hoshizaki RELIABILITY IS A BEAUTIFUL THING DCM-270BAH-OS - Manual (Page 21)

21
PROBLEM POSSIBLE CAUSE REMEDY
[5] a) Fan Motor 1. Motor winding opened. 1. Replace.
2. Bearing worn out. 2. Replace.
3. Wiring to fan motor. 3. Check for loose connection
or open, and replace.
4. Fan blade bound. 4. Check and replace.
b) Timer 1. Bad contacts (X2 relay). 1. Check for continuity and
replace.
2. X2 relay coil winding
opened.
2. Replace.
3. Loose connections. 3. Tighten.
[6] a) Water Supply 1. Water failure or
pressure too low.
1. Wait until water is supplied
or adjust the pressure range
within 10-113 PSIG.
2. Shut-off valve closed or
restricted.
2. Open.
b) Water Valve 1. Clogged filter. 1. Clean.
2. Coil winding opened. 2. Replace.
c) Float Switch 1. Contacts fused. 1. Replace.
2. Clogged. 2. Clean.
d) Water Control Relay 1. Bad contacts (terminal
nos. 1 and 5).
1. Check for continuity and
replace.
2. Contacts fused
(terminal nos. 3 and 5).
2. Replace.
e) Bin Control Switch 1. Bad contacts. 1. Check for continuity and
replace.
f) Ice Making Switch 1. "OFF" position. 1. Move to "ON" position.
2. Bad contacts. 2. Check for continuity and
replace.
[7] a) 1. Contacts fused. 1. Replace.
2. Clogged. 2. Clean.
b) Water Control Relay 1. Contacts fused
(terminal nos. 4 and 6).
1. Replace.
Float Switch
Fan motor will not start.
No water or poor flow.
Ice dispenser will not
stop even if out of
water.