Taylor 791 User Manual

Section 8
8-1
Models 750, 751, 754, 774, 791, and 794
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 service technician to adjust the
mix hopper temperature.
- - -
b. Beater motor out on reset. b. Reset the freezer. 5-3
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 mix hopper with mix. 6-8
f. The air orifice is not installed. f. Install air orifice in air tube. 6-8
2. The product is too stiff. a. The viscosity needs adjustment. a. Contact service technician. - - -
b. The air orifice is not installed. b. Install air orifice in air tube. 6-8
3. The product is too soft. a. Viscosity needs adjustment. a. Contact service technician. - - -
b. Not enough airspace around the
machine. (air-cooled machines)
b. Allow for adequate airflow across
the condenser.
3-2
c. Worn scraper blades. c. Replace regularly. 9-1
d. Dirty condenser (A/C). d. Clean monthly. 7-1
e. Mix is out of date. e. Use only fresh mix. - - -
f. Loss of water (W/C). 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 service technician to adjust the
mix hopper temperature.
- - -
5. The mix in the mix hopper is
too warm.
b. The temperature is out of adjustment. b. Call service technician to adjust the
mix hopper temperature.
- - -
c. Missing or worn mix hopper gasket. c. Replace/install the gasket around
the mix hopper.
6-8
d. The mix hopper cover is not in 
position.
d. Place the cover in position. 6-8
e. The MIX light is not lit. e. Press the MIX button. 5-2
6. The driveshaft is stuck in
the drive coupling.
a. Rounded corners of driveshaft, 
coupling, or both.
a. Call service technician to correct
cause and replace the necessary
components. Do not lubricate the
hex end of the driveshaft.
- - -
b. Mix and lubricant collected in the
drive coupling.
b. Brush-clean the rear shell bearing
area regularly.
6-10

Taylor 791 Specifications

General

Brand	Taylor
Model	791
Category	Freezer
Language	English