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Troubleshooting
Note: If any of following issues persist, return wrench to an authorized Snap-on repair center.
Issue
Wrench does not turn on when
POWER
button pressed
Torque reading out of spec
Wrench did not retain settings
while batteries were removed
Torque or angle displayed while
no torque applied
Possible Cause
Dead/No batteries
Software glitch
Calibration required
Incorrect head length entered
Batteries removed before
settings were saved in non-
volatile memory.
Torque or angle zeroed while
torque applied
Low battery
Dead battery
Torque applied while zeroing
Wrench over torqued
Wrench improperly calibrated
Torque sensor failure
Wrench moving during zeroing
Gyro unstable
POWER
button pressed
during angle zeroing (Aborted
zeroing to access menus)
Over 125% of full scale torque
applied
Wrench rotated too fast during
angle measurement
Calibration interval exceeded
or invalid date entered with
calibration interval enabled
Memory failure
Torque uncalibrated
21
Resolution
Replace batteries
Cycle power using end-cap
Recalibrate
Enter correct offset head length
Clear data, re-enter settings and
POWER
press and hold
to power down wrench before
removing batteries
Place wrench on stable surface
with no torque applied and press
POWER
button to re-zero
wrench
ENTER
Press
button to
continue using wrench and
replace batteries soon
POWER
Press
button to turn
off wrench and replace batteries
Remove torque and re-zero
Recalibrate
Recalibrate
Return to Snap-on Repair Center
Place wrench on stable surface
Return to Snap-on Repair Center
Place wrench on stable surface
POWER
and press
zero
POWER
Cycle power using
button and recalibrate
Place wrench on stable surface
POWER
and press
zero
Calibrate wrench or press
ENTER to continue. Disable
calibration interval if not
required.
Clear data memory
Calibrate torque
button
button to re-
button to re-
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