
18 EN
6. Troubleshooting
Problem
Solution
Display is dirty
Use a wet cotton swab to clean the display area and a clean,
dry cotton cloth to remove any water remains.
Do not wash the display with too much water or solvents.
Menu is frozen
Remove the batteries and wait for 1 minute before placing
them back.
Start the device and check that everything works.
Too short
operating time
Replace batteries with new batteries.
Check if another brand offers better performance.
Do not store the tachometer in very hot or cold
environments. Turn on the auto off function to conserve
battery power.
7. Spare parts and accessories
Designation
TKRT 21
TKRT RTAPE
Reflective tape
TKRT TIPS
Wheels and Cones set
TKRT WHL12
12” wheel
TKRT 21-CA
Toolcase with inlay for TKRT 21
TDTC 1/A
General toolcase without inlay, size A