Stoelting U421 Operator's Manual page 30

Section 4: Troubleshooting
Error Code (E3)
Run Time
Air-Cooled Machines
Is there an air flow
restriction around
the machine?
No
Does the error
occur immediately
after assembling?
No
Contact your authorized
Stoelting distributor for
further assistance
30
Move anything blocking
the louvered panels and
make sure there is
Yes
enough air clearance
around the machine.
Disassemble machine
and reassemble
Yes
following the steps in the
operators manual.
U421-I2 & U431-I2 OPERATOR'S MANUAL
Is the problem
Yes
fixed?
No
Is the problem
Yes
fixed?
No
Continue normal operation.
513725 REV.0