19
G-TECTA
®
4G Troubleshooting
Problem/Error Message
Possible Cause
Solution
Instrument won’t
switch on
Battery has no charge
Re-charge or replace battery
Mode button released
too soon
Press mode button until LEDs flash
No confidence beep
Instrument function disabled
Reconfigure instrument using
G-TECTA
®
PC Software
Gas reading on display
when in clean air
Instrument zero drifted
Restart instrument in clean air
Unstable or inaccurate
gas readings
Sensor failure
Do NOT use instrument
Exit hazardous area immediately
and return instrument for service
Auto Zero failure
Instrument zeroed in
contaminated atmosphere
Switch off instrument
and restart in clean air
Alarm preventing
Auto Zero
Instrument zeroed in
contaminated atmosphere
Switch off instrument
and restart in clean air
Calibration expired
Calibration due date has passed
Return instrument for calibration
Display shows empty
battery symbol
Battery has no charge
Re-charge or replace battery
LCD too faint/dark
Instrument contrast
setting incorrect
Adjust instrument using
G-TECTA
®
PC Software
If you experience any other issues with the operation of the G-TECTA
®
4G instrument, please go to
www.g‑tecta.com
or contact an
Authorised Linde Group Service Centre.