Hoshizaki F-2000MLF, Service Manual

Page: 54 / 82

54
PROBLEM POSSIBLE CAUSE REMEDY
c) Gear Motor
Protector (Circuit
Breaker) 1. Tripped 1. Find out the cause,
get rid of it, and press
Reset Button on
Circuit Breaker.
d) Gear Motor Relay 1. Coil winding opened. 1. Replace.
2. Bad contacts. 2. Check for continuity
and replace.
e) Control Timer
(Printed Circuit
Board)
1. Broken. 1. Replace.
f) Gear Motor Protect
Relay 1. Coil winding opened. 1. Replace.
2. Bad contacts. 2. Check for continuity
and replace.
[4] Gear Motor starts,
but Compressor (for
Solenoid Valves) will
not start (open) or
operates (opens)
intermittently
a) Pressure Switch
[Except F-2000MLF]
1. Dirty Air Filter or
Condenser. 1. Clean.
2. Ambient or
condenser water
temperature too
warm. 2. Get cooler.
3. Condenser water
pressure too low or
off. (Water-cooled
model only) 3. Check and get
recommended
pressure.
4. Water Regulating
Valve set too high.
(Water-cooled model
only) 4. Adjust it lower.
5. Fan not rotating. 5. See "3. [1] a) Fan
Motor."
6. Refrigerant
overcharged. 6. Recharge.
7. Refrigerant line or
components
plugged. 7. Clean and replace
drier.
8. Bad contacts. 8. Check for continuity
and replace.
9. Loose connections. 9. Tighten.
b) X2 Relay on Control
Timer
1. Bad contacts. 1. Replace.Check for
continuity and replace.
2. Coil winding opened. 2. Replace Timer.
c) Starter [Except three
phase model and
F-2000MLF] 1. Bad contacts. 1. Check for continuity
and replace.
2. Coil winding opened. 2. Replace.
3. Loose Connections. 3. Tighten.
d) Start Capacitor or
Run Capacitor
[Except three phase
model and
f-2000MLF]
1. Defective. 1. Replace.