Troubleshooting - Snap-On ControlTech Micro User Instructions

 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.
Possible Cause
Dead/No batteries
Software glitch
Calibration required
Incorrect head length
entered
Batteries removed before
setting were saved in non-
volatile memory.
Low battery
Dead battery
Torque applied while zeroing
Wrench over torqued
Wrench improperly
calibrated
Torque sensor failure
Wrench moving during
zeroing
Gyro unstable
ENTER 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 error
Torque uncalibrated
Angle uncalibrated
25
Resolution
Replace batteries
Cycle power using end-cap
Recalibrate
Enter correct offset head
length
Clear data, re-enter settings
and press and hold POWER
button to power down
wrench before removing
batteries.
Press ENTER button to
continue using wrench and
replace batteries soon.
Press POWER button to
turn off wrench and replace
batteries.
Remove torque and re-zero
Recalibrate
Recalibrate
Return to Factory
Place wrench on stable
surface
Return to Factory
Press POWER button to re-
zero
Cycle power using POWER
button and recalibrate
Press POWER button to re-
zero
Calibrate wrench or press
ENTER to continue. Disable
calibration interval if not
required.
Clear data memory
Calibrate torque
Calibrate angle