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Models 8752, 8756, 8757 T roubleshooting Guide
PROBLEM PROBABLE CAUSE REMEDY PAGE
REF.
2. Insufficient mix in the
freezing cylinder. (Cont’d.)
d. Missing, defective, or no
lubrication on the mix inlet
fitting o- ring.
d. Replace or evenly
lubricate the o- ring on the
mix inlet fitting.
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e. The mix pump ball crank
is broken.
e. Contact a service
technician to replace the
ball crank.
---
f. The pump motor is not
activated.
f. Place the power switch in
the OFF position. Push
the reset button on pump
drive motor . Return the
power switch to the ON
position. Press the AUTO
key. (For the Models 8756
and 8757, press the
AUTO key for the opposite
freezing cylinder also.)
---
g. Defective air/mix pump
pressure switch.
g. Contact a service
technician to replace the
pressure switch.
---
h. Pressure switch
diaphragm installed
incorrectly, or missing.
h. Diaphragm must be
correctly installed in the
pressure switch cap or the
housing.
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i. The mix inlet tube is
frozen or clogged.
i. Use the long flexible brush
and sanitizing solution to
clear the restriction in the
mix inlet tube. Contact a
service technician to
correct the cause of
over- refrigeration in the
mix cabinet.
---
j. The mix pump is pumping
foam.
j. Incorrect handling of
rerun. Must remove all
foam.
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3. P roduct is too stiff. a. Viscosity control is set too
cold.
a. Contact a service
technician.
---
b. Insufficient mix in the
freezing cylinder.
b. Refer to problem #2. ---
c. Improper priming
procedures.
c. Drain the freezing cylinder
and reprime the machine.
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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.
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