Section 8
8-1
Model 632
Troubleshooting Guide
8
Troubleshooting Guide
Table 8-1
Problem
Probable Cause
Remedy
Page
Ref.
1. No product is being
dispensed with draw
valve open and the
machine in the Auto
mode.
a. Freeze-up in mix inlet hole.
a. Call a service technician to adjust the
mix hopper temperature.
- - -
b. Beater motor out on reset.
b. Reset the freezer.
5-2
c. The beater is rotating
counterclockwise from the
operator end.
c. Contact a 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 mix hopper with mix.
6-9
f. The air orifice is not installed (soft
serve only).
f. Install air orifice in air tube.
6-4
2. The product is too stiff.
a. The viscosity needs adjustment.
a. Contact a service technician.
- - -
b. The air orifice is not installed (soft
serve only).
b. Install air orifice in air tube.
6-4
3. The product is too soft.
a. The viscosity needs adjustment.
a. Contact a service technician.
- - -
b. Not enough air space around
machine. (Air-cooled machines.)
b. Allow for adequate air flow across the
condenser.
1-2
c. Worn scraper blades.
c. Replace regularly.
9-1
d. Dirty condenser
(Air-cooled machines.)
d. Clean monthly.
7-2
e. Mix is out of date.
e. Use only fresh mix.
- - -
f. Loss of water.
(Water-cooled machines.)
f. Locate cause of water loss and
correct.
7-2
4. The mix in the mix
hopper is too cold.
a. The temperature is out of
adjustment.
a. Call a service technician to adjust the
mix hopper temperature.
- - -
5. The mix in the mix
hopper is too warm.
a. The temperature is out of
adjustment.
a. Call a service technician to adjust the
mix hopper temperature.
- - -
b. The mix hopper cover is not in
position.
b. Place the cover in position.
- - -
c. The MIX light is not lit.
c. Press the MIX key.
5-2
6. The drive shaft is stuck
in the drive coupling.
a. Rounded corners of drive shaft,
coupling, or both.
a. Call a service technician to correct
cause, and to replace the necessary
components. Do not lubricate the hex
end of the drive shaft.
- - -
b. Mix and lubricant collected in the
drive coupling.
b. Brush clean the rear shell bearing
area regularly.
6-11
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