H31.0.11.6C-11
User’s Manual GMH3110
page 6
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7 Error And System Messages
Display
Meaning
What to do?
Low battery power, device will only continue
operation for a short period of time
Replace battery
Battery empty
Replace battery
Mains operation without battery: wrong voltage
Check power supply, replace it when
necessary
No sensor connected
Switch off device and connect sensor
or
Err.9
Connected sensor or device defective
If second sensor available, check if device
is ok. Return defective device/sensor to
manufacturer for repair
Err.9
Measured value far out of allowable range
Check: pressure not within sensor range?
Battery empty
Replace battery
Mains operation without battery: wrong voltage
or polarity
Check power supply, replace it when
necessary
System error
Disconnect battery and power supplies,
wait shortly, then reconnect
No display or
confused
characters,
device does
not react on
keypress
Device defective
Return to manufacturer for repair
Measured value above allowable range
Check: pressure not within sensor range?
-> measuring value to high
Err.1
Sensor defective
Return to manufacturer for repair
Measured value below allowable range
Check: pressure not within sensor range?
-> measuring value to low
Err.2
Sensor defective
Return to manufacturer for repair
Err.4
Value is too low to be displayed, tara is set
Check: display below -2000 (tara?)?
Err.7
System error
Return to manufacturer for repair
