16 P2144BA/EN 2014-08 2144b-en_1_5_bedingt.fm, 09.09.2014
Troubleshooting
8
Tool switches off prema-
turely
Operator releases start switch before
the control stops the tool
Make sure that the operator keeps
the start switch pressed throughout
the entire sequence.
The fastening time exceeds the stan-
dard time by 10 seconds.
Increase the fastening time
Tool exceeds the angle setpoint
Check the fastening sequence to
ensure that the torque shutoff value
and/or angle setpoint are correct.
Adjust as necessary.
Check whether the screwed joint
has changed significantly.
Tool does not change
speed
Speed is the same in all stages used
Make sure that the speed and the
switching angle in the stages are
correct.
LEDs on the tool start to
flash when the reverse
switch is operated.
This is a normal function which is
defined in the default parameters.
Activate or deactivate the check
box Blink Lights when Tool
in Reverse (Advanced > Tool
Setup)
Warning in menu RUN
SCREEN: Offset
Transducer 1/2 NOK
The transducer does not return to a
zero torque vale
Transducer has been overloaded
and must be replaced
Faulty wiring in tool or in cable
Check tool with different cable. The
offset and calibration values can be
checked in the Diagnosis menu.
Warning in menu RUN
SCREEN:
Tool Offline!
Tool has not been accepted in the tool
settings
Check the Tool List menu to make
sure that the tool has been
accepted. If it has not been
accepted, the status will show
Manual acceptance needed.
The correct line must be marked
before the setting can be accepted
in the Tool Settings menu.
A faulty cable will prevent the tool from
being recognized by the nutrunner con-
trol
Repair or replace cable
Different torque display in
the control and external
transducer
Torque calibration factor (Torque Cal.)
in Tool Settings must be adjusted.
Adjust Torque Cal. (Tool Setup >
Tool Settings > Accept) using the
following formula:
New calibration value =
(external value / tool value) × cali-
bration value used
Customer's angle attachment was
added to tool. Tool memory must be
updated.
Reprogram tool memory
Tool cable does not fit in
tool handle
Wrong cable. Tools in use with nutrun-
ner control mPRO400GC use an Air-
LB connector. Connector has different
size to previously used Matrix connec-
tor.
Use the right cable for the tool used
Problem Possible cause Measure
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