7 | Error and system messages
G 1690 / G 1690T
16 / 20
B-H86.0.31.DK2-1.0
7
Error and system messages
Display
Meaning
Possible
causes
Remedy
SENS ERRO
or strongly
changing
measuring
values
Sensor cable
defective
Sensor defective or
used up
Cable breakage
Defective sensor or
sensor end of
lifetime
Send in for repair
Replace sensor or send in
for repair
No display,
unclear char-
acters or no
response when
buttons are
pressed
Battery depleted
System error
Device is defective
Battery depleted
Error in the device
Device is defective
Replace battery
Send in for repair
BAT
Battery depleted
Battery depleted
Replace battery
ERR.1
Measuring range
exceeded
Measured value too
high (possibly due to
pressurisation)
Faulty parameter
setting or calibration
Sensor or device
defect
Stay within permissible
measuring range - Avoid
back pressure
Check parameter or
recalibrate sensor
Replace sensor or
send in for repair
ERR.2
Measuring range is
undercut
Faulty parameter
setting or calibration
Check parameter or
recalibrate sensor
ERR.9
Value could not be
calculated
Measured O
2
value
too high/low or with
error message.
Incorrect parameter
entry
Adhere to measuring
range (see also Err.1 /
Err.2)
Check settings
Send in for repair
SYS ERR
System error
Error in the device
Switch device on/off
Replace batteries
Send in for repair