Section 8
8-1
Models 441 & 444
Troubleshooting Guide
8
Troubleshooting Guide
Table 8-1
Problem
Probable Cause
Remedy
Page
Ref.
1. No product being
dispensed with the draw
valve open and the
control switch in AUTO.
a. The freezer door is installed upside
down.
a. Install the door correctly.
b. There is a freeze-up in the mix inlet
hole.
b. Call service technician to adjust
hopper temperature.
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c. Beater motor out on reset.
c. Reset the freezer.
d. The beater is rotating
counterclockwise.
d. Contact service technician to correct
the rotation.
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e. Draw valve bracket incorrectly
attached to draw arm.
e. Correctly attach draw valve bracket to
draw arm.
f. The circuit breaker is off, or the
fuse is blown.
f. Turn the breaker on, or replace the
fuse.
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g. Inadequate mix in hopper.
g. Fill the hopper with mix.
h. The feed tube is installed upside
down.
h. Install the feed tube with the hole in
the side in the down position.
2. The product is too cold.
a. The thermistor control is set too
cold.
a. Adjust the thermistor control knob
warmer.
b. The draw handle is not fully closed.
b. The draw handle must be fully closed.
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3. The product appears too
thin.
a. The thermistor control is set too
warm.
a. Adjust the thermistor control knob
colder.
b. Insufficient air space around the
unit. (A/C)
b. Allow for adequate air flow across the
condenser.
c. Worn scraper blade(s).
c. Replace scraper blades regularly.
d. Dirty condenser.
d. Clean regularly.
e. The mix is out of date.
e. Use only fresh mix.
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f. The beater is rotating
counterclockwise.
f. Contact service technician to correct
rotation.
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g. Product is over beaten.
g. Draw off some product to allow fresh
product to enter the freezing cylinder.
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h. Loss of water (W/C)
h. Locate cause of water loss and
correct.
4. The mix in the mix
hopper is too cold.
a. The temperature is out of
adjustment.
a. Call service technician to adjust the
hopper temperature.
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5. The mix in the hopper is
too warm.
a. The temperature is out of
adjustment.
a. Call service technician to adjust the
hopper temperature.
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b. Hopper cover is not in position.
b. Place the cover in position.
c. The control switch is OFF.
c. Place the control switch in AUTO.
d. Warm mix was placed in the
hopper.
d. Mix added to the hopper must be
below 40°F (4.4°C).
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6. The drive shaft is stuck
in the gear box coupling.
a. Rounded corners of drive shaft,
coupling, or both.
a. Call service technician to correct the
cause and replace the necessary
components. Do not lubricate the end
of the drive shaft.
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