7
Troubleshooting
Malfunction
Tool does not start
Tool not recognized
Tool doesn't start with coun-
terclockwise rotation acti-
vated
Tool starts in tightening
direction, but not in counter-
clockwise rotation
Tool shuts off at desired
torque but without angle
indicator
Tool shuts off prematurely
Tool does not change speed
LEDs on the tool start to
flash when the reverse
switch is operated
Apex Tool Group
Possible causes
Faulty start switch
No speed (RPM) pro-
grammed
Controller waiting for tool
enablement
Faulty cable
Bent pins in cable or tool
Self identification data not
recognized after tool change
Software incorrect
Cable defective
Tool defective
With counterclockwise rota-
tion, parameter for speed is
set to 0 rpm.
No speed programmed for
counterclockwise rotation
Faulty reverse switch
Faulty cable
Bent pins in cable or tool
Threshold torque is too high
Operator releases start
switch before the controller
stops the tool
The fastening time exceeds
the standard time by 10 sec-
onds.
Tool exceeds the angle set-
point
Speed is the same in all
stages
This is a normal function
which is defined in the
default parameters.
2019-02
TM12-1109 |
Remedy
Replace start switch
Program speed for all active stages
Activate input Tool Enable or, if not
required Deactivate Tool Enable
Repair or replace cable
Straighten contact pins or replace
faulty connector
Accept Data again (Tool Setup)
Check controller software / measur-
ing board software
Replace cable
Change tool
Check multi-function button assign-
ments
Program speed for counterclockwise
rotation
Replace Start/Reverse switch
assembly
Repair or replace cable
Check multi-function button assign-
ments
Correct fastening sequence or
reduce threshold torque value
Make sure that the operator keeps
the start switch pressed throughout
the entire sequence.
Increase the fastening time
Check the fastening sequence to
ensure that the torque shutoff value
and/or angle setpoint are correct.
Adjust as necessary.
Check whether the fastening joint
has changed significantly.
Make sure that the speed and the
switching angle in the stages are
correct.
Activate or deactivate the check box
Blink Lights when Tool in Reverse
1
EN
11