Wohler GS 220, Manual

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18
GS 220
4. Battery replacement
While the Low battery LED is on, it is suggested to always have fresh batteries to ensu-
re the accuracy.
Open the battery compartment from the meter rear side and replace 4 new AA alkaline
batteries.
Electronical devices may not be put into domestic waste, but must be professionally-
disposed according to the directive 2002/96/EG of the Council of the European Union
from 27 of january, 2003.
5. Troubleshooting
The meter does not turn on. a) Make sure the time of pressing „ON/
OFF“ key is more than 200 ms.
b) Check the batteries are in place, good
contact and correct polarity.
c) Replace a new battery and try again.
Ready LED is not on after 60 seconds
warm up. Check the sensor is in good contact. If
LED is still off, please return the meter to
the dealer for repairing.
4. Battery replacement