Troubleshooting and diagnosis options
TR-Electronic GmbH 2011, All Rights Reserved
Printed in the Federal Republic of Germany
Page 128 of 139
TR - ELE - BA - DGB - 0022 - 04
02/08/2016
9 Troubleshooting and diagnosis options
9.1 Diagnosis over optical device-status-display
States of the green LED (POWER)
Green LED
Cause
Remedy
Off
Voltage supply absent
Check voltage supply wiring
Hardware fault,
measuring system defective
Replace measuring system
On
Measuring system ready for
operation
States of the red LED (ERROR)
Red LED
Cause
Remedy
Off
No error
On
–
Distance out of measuring
range of 0.05 m…500 m
–
internal temperature out of
range
–
no plausible measured value
could be generated
–
Hardware failure
–
Bring object into valid measuring range.
–
Operate device in the permitted temperature
range, see chapter “Technical data”, page 89
–
No valid su
rface found, see chapter “Prevention
–
Replace measuring system
See also chapter “Device Status display” on page 101.