Taylor 490, Operator'S Manual

Page: 29 / 38

Section 8
8-1
Model 490
Troubleshooting Guide
8
Troubleshooting Guide
Table 8-1
Problem Probable Cause Remedy
Page
Ref.
1. No product being
dispensed (draw valve
open and machine in
Auto mode).
a. Freeze-up in the mix inlet hole. a. Call service technician to adjust mix
hopper temperature.
- - -
b. Beater motor out on reset. b. Allow the motor to cool and then
press the reset button.
5-1
c. Beater rotating counterclockwise
from operator end.
c. Contact service technician to correct
rotation to clockwise from operator
end.
- - -
d. Circuit breaker off or blown fuse. d. Turn breaker on or replace fuse. - - -
e. Inadequate mix in the mix hopper. e. Fill mix hopper with mix. 6-6
2. Product too stiff. a. TQC control is set incorrectly. a. Contact service technician. - - -
b. Inadequate mix in hopper. b. Fill hopper with mix. 6-6
3. Product too soft. a. TQC control is set incorrectly. a. Contact service technician. - - -
b. Not enough air space around
machine.
b. Allow for adequate air flow across the
condenser.
1-2
c. Worn scraper blades. c. Replace regularly. 7-1
d. Dirty condenser. d. Clean monthly. 7-2
e. Out-of-date mix. e. Use only fresh mix. - - -
4. Mix in mix hopper too
cold.
a. EPR valve is out of adjustment. a. Call service technician. - - -
5. Mix in mix hopper too
warm.
a. EPR valve is out of adjustment. a. Call service technician. - - -
b. Warm mix placed in hopper.
b. Mix should be below 40
°
F (4.4
°
C)
when placed in hopper.
7-1
c. Mix hopper cover is not in position. c. Place cover in position. 6-6
6. Drive shaft stuck in the
drive coupling.
a. Rounded corners of drive shaft,
coupling, or both.
a. Call service technician to correct
cause and replace necessary
components. Do not lubricate hex
end of drive shaft.
- - -
b. Misalignment of rear bearing plate. b. Contact service technician. - - -
7. The freezing cylinder
walls are scored.
a. The scraper blades are damaged. a. Replace the scraper blades. 6-1
b. The front bearing is missing or
worn on the freezer door.
b. Install or replace the front bearing. 6-3
c. Machine was placed in Auto before
all sanitizing solution was removed
from freezing cylinder.
c. Place machine in Auto only after
priming is complete and all sanitizing
solution is removed.
6-4
d. Broken pins on beater assembly. d. Repair or replace the beater
assembly. Make sure the scraper
blades are properly seated on pins.
6-2
e. The beater assembly is bent. e. Call service technician to repair or
replace the beater and to correct the
cause of insufficient mix in the
freezing cylinder.
- - -