15
O R I G I N A L I N S T R U C T I O N S
GB
Error messages
Error code
Cause
Solution
402
Calculation error.
Repeat the measurement procedure according to
the instructions manual.
203
Low battery.
Replace the batteries or accumulators
301
Temperature is too
high.
Cool down the device.
302
Temperature is
too low.
Warm up the device.
101
Back signal too weak
or measurement time
too long.
Change the measurement area.
102
Back signal too
strong.
Change the measurement area.
201
Workplace lighting
too strong.
Measure in a less illuminated room.
202
Workplace lighting
too weak.
Measure in a more illuminated room.
401
Hardware error.
Turn the device on and o
ff
several times. If the error
continues to occur, contact a service.
This symbol indicates that waste electrical and electronic equipment (including batter-
ies and storage cells) cannot be disposed of with other types of waste. Waste equip-
ment should be collected and handed over separately to a collection point for recycling
and recovery, in order to reduce the amount of waste and the use of natural resources.
Uncontrolled release of hazardous components contained in electrical and electronic equip-
ment may pose a risk to human health and have adverse e
ff
ects for the environment. The
household plays an important role in contributing to reuse and recovery, including recycling
of waste equipment. For more information about the appropriate recycling methods, contact
your local authority or retailer.