513713 REV.0
U421-I2A & U431-I2A OPERATOR’S MANUAL
33
Section 4: Troubleshooting
MAINTENANCE
PA
R
TS
TROUBLESHOO
TING
OPERA
TION
INTRODUCTION
Error Code (E3)
Run Time
Air-Cooled Machines
Yes
Yes
No
Is there an air flow
restriction around
the machine?
Move anything blocking
the louvered panels and
make sure there is
enough air clearance
around the machine.
Is the problem
fixed?
No
Yes
Yes
No
Contact your authorized
Stoelting distributor for
further assistance
Does the error
occur after the first
freezing cycle?
Disassemble machine
and reassemble
following the steps in the
operators manual.
Is the problem
fixed?
Continue normal operation.
No
• Blocked
air
fl
ow around machine or
dirty air
fi
lter.
• Excess air in the freezing cylinder
due to air in the mix bags.
• Pump turned o
ff
or not operating
• Improper adjustments to the
IntelliTec2™ control.
E3 Common Causes
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