Hoshizaki F-2000MLF Service Manual page 54

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