User manual

12. TROUBLESHOOTING

With this measuring device, you have purchased a product built to the latest state of the

art and operationally safe.

Nevertheless, problems or errors may occur.

For this reason, the following is a description of how you can easily remove possible

malfunctions yourself.

Error Cause Solution

Device does not start. No rechargeable battery

in the device

Insert rechargeable battery

and charge it

Rechargeable battery

defective/at

Replace/charge recharge-

able battery

The device keeps

switching itself off.

Rechargeable battery

defective/at

Replace/charge recharge-

able battery

No IR image Lens cover closed Open

lens cover

13. CLEANING

Apart from occasionally requiring cleaning the product, it is maintenance free; do not

dismantle it.

Switch off the product before cleaning it. Disconnect it from the mains unit and pull the

mains unit out of the mains outlet.

Do not use any aggressive cleaning agents or petrol, alcohol or the like to clean

the product. They will damage the surface of the meter. Furthermore, the fumes are

hazardous to your health and explosive. Also do not use any sharp-edged tools, such as

screwdrivers, metal brushes, etc. for cleaning.

Use a clean, lint-free and antistatic cleaning cloth for cleaning the device or the display.