VOLTCRAFT KBM-110, Operating Manual

Page: 28 / 32

9 | Error and system messages KBM-110
28 / 32 B-H86.0.12.DB214-1.0
9 Error and system messages
Display Meaning Possible causes Remedy
>
(AL
<
Error during the last
calibration Faulty calibration Conduct a new calibration
No display,
unclear char-
acters or no
response
when but-
tons are
pressed Battery depleted
System error
Product is defective
Battery depleted
Error in the product
Product is defective
Replace battery
Send in for repair
BAT
Battery depleted Battery depleted Replace battery
BAT LO Battery depleted Battery depleted Replace battery
(AL ERR.1
Neutral buffer not al-
lowed Incorrect buffer solu-
tion used
Buffer solution is
contaminated
Electrode contamin-
ated or defective
Use fresh buffer solution
Clean electrode, re-calibrate
Replace electrode
(AL ERR.2 Slope is too low Incorrect buffer solu-
tion used
Buffer solution is
contaminated
Electrode contamin-
ated or defective
Use fresh buffer solution
Clean electrode, re-calibrate
Replace electrode
(AL ERR.3 Slope is too high Incorrect buffer solu-
tion used
Buffer solution is
contaminated
Electrode contamin-
ated or defective
Use fresh buffer solution
Clean electrode, re-calibrate
Replace electrode
(AL ERR.4
Incorrect calibration
temperature Temperature too low
or too high Range of 0..60 °C
(AL ERR.5 Time exceeded dur-
ing automatic calib-
ration Unstable electrode
signal
Buffer solution is
contaminated
Stirring of the buffer solution
Clean the electrode
Use fresh buffer solution
Restart calibration
ERR.1 Measuring range ex-
ceeded Measurement too
high
Incorrect electrode
connected
Electrode or product
defect
The measurement is above
the permissible range
Check electrode
Send in for repair
ERR.2
Measuring range is
undercut Measurement too
low
Incorrect electrode
connected
Electrode or product
defect
The measurement is below
the permissible range
Check electrode
Send in for repair
SYS ERR
System error Error in the product Switch product on/off