Hommy Soft Ice Cream Machine User Manual page 32

8.2) Troubleshooting guide
Fault Reason
A. The compressor
does not run.
B. The cooling system
is blocked by ice or
foreign material.
C. Refrigerant
Leakage
A. Over-current
A. Leaking from throat
block.
B. The gear box is
leaking.
A. Not feeding enough
material.
B. Ice cream is too
hard.
C. The beater stick
does not rotate.
D. Throat block is
blocked by ice.
8.3) Refrigeration system faults and maintenance
32,40
Analysis
A. The starter or capacitor for the
compressor is defective
B. The compressor is damaged.
C. Power voltage is low or cross
section of the power cable is too
small, causing a voltage drop.
Moisture or foreign material enters
the system.
The refrigeration system is not
properly sealed.
1. Beater stick diameter is too
large
2. Circuit current adjustment is
badly calibrated
A. The draw valve gasket or the
square gasket between freezing
cylinder and throat
damaged.
B. The fixing bolts for throat block
are not tight or not properly
mounted.
The Y-gasket or O-ring for the
gearbox is defective.
Liquid ice cream not properly mixed
and has lumps. The
expansion tube is blocked.
A. Too little sugar in the recipe.
B. The hardness is not properly
adjusted with the hardness adjustor.
A. Motor or control
damaged.
B. The transmission belts are loose.
C. The gear box is defective.
D. The outer diameter of the beater
stick has expanded.
The throat block must be dry after
cleaning. The water may freeze to
block the discharge.
Corrective actions
A.B. Change the defective parts.
C. Increase the cable size or
increase the capacity of power
source
Remove moisture of foreign material
from the system.
Repair after leakage check. Vacuum
the system and refill the refrigerant.
1. Reduce the outside diameter
2. Adjust
compensation setting
block is A. Change gaskets.
B. Mount the throat block in proper
position and tighten the bolts.
Change the defective gaskets.
A. Remove the expansion tube
hole of temporarily.
B. Refine the material.
A. Add more sugar in the recipe.
B. Adjust the hardness setting to a
lower number.
circuit is A. Replace damaged parts.
B. Tighten belts by changing the
motor position.
C. Repair the gear box.
D. File the diameter to adequate
size.
Remove water from the throat block.
VR2 or current