27
TROUBLESHOOTING
NOTE:
If any of following issues persist, return wrench to an authorised Norbar Repair Centre.
Issue
Possible Cause
Resolution
Wrench does not turn on when
POWER
button pressed.
Dead/No batteries
Replace batteries
Software glitch
Cycle power using end-cap
Torque reading out of spec.
Calibration required
Recalibrate
Incorrect head length entered Enter correct offset head length
Wrench did not retain settings
while batteries were removed.
Batteries removed before
setting were saved in non-
volatile memory.
Clear data, re-enter settings and press
and hold
POWER
button to power
down wrench before removing batteries.
Low battery
Press
ENTER
button to continue
using wrench and replace batteries
soon.
Dead battery
Press
POWER
button to turn off
wrench and replace batteries.
Torque applied while zeroing
Remove torque and re-zero
Wrench over torqued
Recalibrate
Wrench improperly calibrated Recalibrate
Torque sensor failure
Return to Factory
Wrench moving during
zeroing
Place wrench on stable surface
Gyro unstable
Return to Factory
ENTER
button pressed
during angle zeroing
(Aborted zeroing to access
menus)
Press
POWER
button to re-zero
Over 125% of full-scale
torque applied
Cycle power using
POWER
button
and recalibrate
Wrench rotated too fast
during angle measurement
Press
POWER
button to re-zero
Calibration interval exceeded
or invalid date entered with
calibration interval enabled
Calibrate wrench or press
ENTER
to
continue. Disable calibration interval if
not required.
Memory error
Clear data memory
Torque uncalibrated
Calibrate torque
Angle uncalibrated
Calibrate angle
