Hoshizaki IM-100, Руководство по обслуживанию

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VII. SERVICE DIAGNOSIS
1. NO ICE PRODUCTION
PROBLEM CHECK POSSIBLE CAUSE REMEDY
1. OFF position. 1. Move to ON position.
2. Loose connections. 2. Tighten.
a) Power Source
3. Bad contacts. 3. Check for continuity and
replace.
1. Loose connection. 1. Tighten. b) Power Cord
2. Open circuit - damaged. 2. Repair or replace.
c) Fuse 1. Blown out. 1. Replace.
1. Tripped with Bin filled
with ice.
1. Remove ice.
2. Out of position. 2. Place in position.
d) Bin Control
3. Fused contacts. 3. Check for continuity and
replace.
e) High Pressure
Control
(water-cooled,
240ME)
1. Bad contacts. 1. Check for continuity and
replace.
f) Transformer 1. Coil winding opened. 1. Replace.
g) Wiring to
Controller Board
1. Loose connections or
open.
1. Check for continuity and
repair or replace.
h) Thermistor 1. Leads short-circuit or
open and High
Temperature Safety
(Backup Timer) operates.
1. See “II. 2. [b] BEFORE
CHECKING
CONTROLLER BOARD”.
i) Hot Gas
Solenoid Valve
1. Continues to open in
freeze cycle and High
Temperature Safety
(Backup Timer) operates.
1. Check for power OFF in
freeze cycle and replace.
1. Water supply OFF and
water supply cycle does
not finish.
1. Check for recommended
pressure.
j) Water Supply
Line
(water-cooled)
2. Condenser water
pressure too low or OFF
and Pressure Control
opens and closes
frequently.
2. Check for recommended
pressure.
1. Mesh filter or orifice gets
clogged and water supply
cycle does not finish.
1. Clean.
2. Coil winding opened. 2. Replace.
k) Water Solenoid
Valve
3. Wiring to Water Valve. 3. Check for loose
connection or open, and
replace.
[1] The icemaker
will not start.
l) Controller Board 1. Defective. 1. See “II. 2. CONTROLLER
BOARD”.
1. Condenser water
temperature too warm
(water-cooled).
1. Check for recommended
temperature.
[2] Compressor
will not start, or
operates
intermittently.
a) High Pressure
Control
(water-cooled,
240ME)
2. Refrigerant overcharged. 2. Recharge.
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