8-2
TROUBLESHOOTING GUIDE
Models 8752 and 8756 with Horizon® Pump
Troubleshooting Guide
8
3. Product is too stiff. a. Viscosity control is set too cold. a. Contact a service technician. - - -
b. Insufficient mix in the freezing
cylinder
b. See problem 2. - - -
c. Improper priming procedures c. Drain the freezing cylinder and reprime
the machine.
6-11
d. Out-of-date mix d. Use fresh mix. When using rerun, skim
off the foam and mix 50% rerun with
50% fresh mix during heavy draw
periods.
6-11/9-1
4. Product is too soft. a. Viscosity control is set too warm. a. Contact a service technician. - - -
b. Worn scraper blades b. Replace the scraper blades regularly. 9-1
c. Dirty condensers or air filters on
air-cooled s
c. Clean monthly. 7-2
d. Inadequate water supply on
water-cooled s
d. Check the water supply. Check the
water lines for leaks or kinks.
1-1/7-2
e. Inadequate air space around
air-cooled machines
e. Allow adequate room for airflow across
the condensers. There is a minimum of
3 in. (7.6 cm) clearance on all sides. Do
not obstruct air discharge on top. Allow
12 in. (30.5 cm) clearance on the top of
the freezer.
1-1
5. Mix in the mix cabinet is too
warm.
a. Warm mix was placed in the tank. a. Mix added to the mix tank should be
below 40
°F (4.4°C).
7-1
b. The mix cabinet door was left open. b. The door must be kept closed. 6-11
c. The mix cabinet refrigeration system
needs adjustment.
c. Contact a service technician. - - -
d. The mix cabinet door gasket is not
sealing.
d. Repair or replace the gasket. - - -
e. Dirty mix cabinet condenser or air
filter
e. Clean monthly. 7-2
6. Mix in the mix cabinet is too
cold.
a. The mix cabinet refrigeration system
needs adjustment.
a. Contact a service technician. - - -
7. Excessive mix leakage from
the bottom of the door
spout.
a. Worn, missing, or incorrect O-ring is
on the draw valve.
a. Check the O-rings. Replace the O-rings
every three months.
9-1
b. Improper lubrication on the draw
valve O-rings
b. Lubricate properly. 6-3
Problem Probable Cause Remedy
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