GB
Troubleshooting
Problem
204
208
220
252
253
255
256
261
500
8
Possible cause
Calculation error
Excessive current
Battery is low
Meter gets too hot
Meter is too cold
Measuring time is too long or the signal
received is too weak to make an accurate
calculation/measurement
Signal received is too strong to make an
accurate calculation/measurement
The measurement target is out of range
Hardware error symbol
Solution
See the appropriate instructions in the user manual and repeat the procedure
Contact an authorised Silverline service centre for assistance
Install new batteries (see 'Installing the batteries')
Allow the device to cool. The optimal operating temperature is 0-40°C
Warm the device to the optimal operating temperature (0-40°C)
Ensure a good reflective surface is used or a target plate and
repeat the appropriate measurement procedure
The target to be measured is too reflective. Use a target plate or
do not aim at a strong light objective
Select a measurement point within the range limit (0.2-40m)
Try switching the device ON and OFF several times. If the sym-
bol is still displayed on the LCD Screen, contact your authorised
Silverline service centre for assistance