Carrier C708 - Models C708;C709;C716;C717

54
Troubleshooting
Models C708/C709/C716/C717
PROBLEM CAUSE REMEDY
13. No freezer operation when
placing unit in any mode of
operation.
a. Unit unplugged. a. Plug in unit.
b. Circuit breaker is turned off or fuse
is blown.
b. Turn on circuit breaker or replace
fuse.
c. Power switch is in the “OFF”
position.
c. Place power switch in the “ON”
position.
14. Product too stiff. a. Product viscosity set too cold. a. Adjust product viscosity.
b. Incorrectly assembled or
malfunctioning air/mix pump
(C708/C716).
b. Re-assemble pump or replace
faulty components.
15. Mix in the hopper is too cold. a. Temperature is out of adjustment. a. Adjust hopper temperature.
b. Agitator paddle is not installed. b. Install the agitator paddle.
16. Mix in the hopper is too warm. a. Temperature is out of adjustment. a. Adjust hopper temperature.
b. Agitator not installed. b. Install the agitator.
17. Drive shaft is stuck in the gear
box coupling.
a. Corners of the drive shaft,
coupling, or both are rounded.
a. Replace the necessary
component(s). Do not lubricate the
end of the drive shaft.
b. Mix and lubricant are collected in
the drive coupling.
b. Brush clean the rear shell bearing
area regularly.
18. Freezing cylinder walls are
scored.
a. Bent beater assembly. a. Replace beater.
b. Missing or worn front bearing. b. Install or replace front bearing.
c. Scraper blades incorrectly
installed.
c. Install scraper blades over the
appropriate securing pin on the
beater assembly.
19. Product is “popping” when drawn. a. Draw rate set too fast. a. Set the draw rate at 5 - 7-1/2
ounces of product per 10 seconds.
b. Pump is assembled/lubed
incorrectly (C708/C716).
b. Assemble pump according to
instructions in the Operator’s
Manual.
c. Freezer has been turned on and
off several times.
c. Place the unit in the “OFF” position
only when necessary.
20. Freezer shuts off and produces a
fault tone.
a. Fault alert. a. Check the fault screen in the
operator’s menu.
b. Insufficient air space. b. Allow 6” (152 mm) minimum
clearance around both s ides of
unit and place the back against a
wall.
21. Soft lock. a. No heat cycle tried. a. Press the word “AUTO” to place
freezer in the heat treatment
cycle, or press the word “WASH”
and brush clean the freezer.
22. When “AUTO” is pressed, freezer
goes into “STANDBY”.
a. Mix-out condition. a. Add mix.
b. Hard lock. b. Check the display screen for
instructions.