Hoshizaki FM-170EE-HC Service Manual page 40

PROBLEM
[2] Overflow from
Reservoir
(Water does
not stop.)
[3] Gear Motor
Protector
operates
frequently.
[4] Icemaker does
not stop even if
Bin is full of
ice.
[5] Water leaks at
the bottom of
Evaporator
CHECK
a) Water Supply
b) Water Valve
c) Float Switch
d) Water Control
Relay
a) Power Supply
Voltage
b) Evaporator Assy
c) Bin Control
a) Bin Control
a) Mechanical Seal
POSSIBLE CAUSE
1. Water pressure too
high.
1. Diaphragm does not
close.
1. Bad contacts.
1. Bad contacts.
2. Coil winding opened.
1. Too high or too low.
1. Bearings or Auger
worn out.
1. Activator does not
move freely.
1. Contacts fused.
2. Activator does not
move freely.
1. Worn out.
2. Bad assembly.
37
REMEDY
1. Install a Pressure
Reducing Valve.
1. Clean or replace.
1. Check for continuity and
replace.
1. Check for continuity and
replace.
2. Replace.
1. Connect the unit to a
power supply of proper
voltage.
1. Replace Bearing or Auger.
1. Clean Axle and its
corresponding holes or
replace Bin Control.
1. Check for continuity and
replace.
2. Clean Axle and its
corresponding holes or
replace Bin Control.
1. Replace.
2. Clean and assemble.