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8 | Error and system messages
GMH 3331
26 / 32
B-H77.0.01.DB2-1.0
8 Error and system messages
Display
Meaning
Possible
causes
Remedy
SENS ERRO
No probe or sensor
connected
Sensor or probe de-
fect
Measuring range ex-
ceeded or undercut
Sensor or probe
missing
Defective sensor or
probe
Incorrect sensor
type selected
Connect sensor or probe
Connect different sensor or
probe
Readjust measuring range
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
blinks
Battery low
Battery low
Replace battery
BAT
Battery depleted
Battery depleted
Replace battery
(AL ERR.1
Zero point calibra-
tion defective
ERR.1
Measuring range ex-
ceeded
Measurement too
high
Measuring probe,
sensor or product
defect
The measurement is above
the permissible range
Test measuring probe or
sensor
Send in for repair
ERR.2
Measuring range is
undercut
Measurement too
low
Measuring probe,
sensor or product
defect
The measurement is below
the permissible range
Test measuring probe or
sensor
Send in for repair
ERR.3
Display range has
been exceeded
Value is too high
Adjust measuring range
ERR.4
Display range has
been undercut
Value is too low
Adjust measuring range
ERR.7
System error
Error in the product
Switch the product on/off
Replace batteries
Send in for repair
ERR.9
Sensor/probe not
available
Sensor/probe error
Sensor/probe not
connected
Sensor/probe defect
Switch the product on/off
Connect sensor/probe
New sensor/probe
ERR.11
Measurement value
could not be calcu-
lated
Measurement vari-
able not available
Incorrect unit setting
Change/adjust measure-
ment variable
Enter suitable unit