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Models 750, 751, 754, 774, 794 T roubleshooting Guide
Section 8 Troubleshooting Guide
PROBLEM PROBABLE CAUSE REMEDY PAGE
REF.
1. No pr oduct i s being
dispensed with draw valve
open and the machine in
the AUTO mode.
a. Freeze-up in mix inlet
hole.
a. Call service technician to
adjust the mix hopper
temperature.
-- -- --
b. Beater motor out on reset. b. Reset the freezer.
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c. The beater is rotating
counterclockwise from the
operator end.
c. Contact service technician
to correct rotation to
clockwise from operator
end.
-- -- --
d. The circuit breaker is off
or the fuse is blown.
d. Turn the breaker on, or
replace the fuse.
-- -- --
e. There is inadequate mix in
the mix hopper.
e. Fill the m ix hopper with
mix.
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f. The a ir orifice is not
installed.
f. Install air orifice in air
tube.
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2. The product is t oo stiff. a. The viscosity needs
adjustment.
a. Contact service
technician.
-- -- --
b. The air orifice is not
installed.
b. Install a ir orifice in air
tube.
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3. The product is t oo soft. a. Viscosity needs
adjustment.
a. Contact service
technician.
-- -- --
b. Not enough air space
around unit. (Air cooled
units)
b. Allow for adequate air flow
across the condenser .
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c. Worn scraper blades. c. Replace regularly.
30
d. Dirty condenser (A/C) d. Clean monthly.
25
e. Mix is out of date. e. Use only fresh m ix.
-- -- --
f. Loss o f water. ( W/C) f. Locate cause o f water
loss and correct.
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4. The mix in the mix hopper
is too cold.
a. The temperature is out of
adjustment.
a. Call service technician to
adjust the mix hopper
temperature.
-- -- --