Troubleshooting - Greenlee 855 Service Manual

Troubleshooting

Problem
Bender does not operate.
Bender operates, but display is
blank.
Display comes on, but bender does
not bend.
Display comes on, but does not
count during bend.
Bender operates in wrong direction.
Bends are overbent a few degrees.
Bends are underbent a few degrees.
Greenlee / A Textron Company
Probable Cause
No voltage.
Insufficient voltage.
Pendant was plugged in while
bender was on.
Bender was advanced 93
degrees.
Bender turned on while conduit
was fully loaded.
Wrong conduit size and/or type
selected.
Wrong conduit size and/or type
selected.
Too much squeeze on 1-1/2" or
2" EMT, IMC, or rigid aluminum
conduit.
Unusual conduit characteristics.
Wrong conduit size and/or type
selected.
Too little squeeze on 1-1/2" or
2" EMT, IMC, or rigid aluminum
conduit.
Unusual conduit characteristics.
32
855 Smart Bender
Probable Remedy
Check supply voltage circuit operation.
Check that switch is on.
Check that pendant is fully plugged in.
Use shorter or larger gauge extension
cord.
Check supply voltage (80 VAC
minimum).
Turn bender switch off and on.
UNLOAD to desired position.
Remove conduit and initialize home
position per "Setting the Home
Position" under "Operation" in the
instruction manual.
Set selector switches properly.
Set selector switches properly.
Back squeeze off per adjustment
instructions.
Refer to "Accuracy" in the
"Adjustments" section or bend to a
smaller angle to compensate.
Set selector switches properly.
Increase squeeze per adjustment
instructions.
Refer to "Accuracy" in the
"Adjustments" section or bend to a
larger angle to compensate.
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
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