User manual

H49.0.02.6C-07 User’s Guide GMH 3750 page 14 of 16
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13 Fehler- und Systemmeldungen
Display
Meaning
Remedy
Low battery voltage, device will
continue to work for a short time
Replace battery
If mains operation: wrong voltage
Check/replace power supply, if fault continues
to exist: device damaged
Low battery voltage
Replace battery
If mains operation: wrong voltage
Check/replace power supply, if fault continues
to exist device damaged
No display
Or
Weird display
Device does not
react on keypress
Low battery voltage
Replace battery
If mains operation: wrong voltage
Check/replace power supply, if fault continues
to exist device damaged
System error
Disconnect battery or power supply, wait some
time, re-connect
Device defective
Return to manufacturer for repair
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Sensor error, no sensor connected
Connect sensor to socket
Sensor/cable or device defective
Return to manufacturer for repair
Err.1
Value exceeding measuring range
Check: Is the value exceeding the measuring
range? Temperature too high!
Wrong probe connected
Check probe
Sensor/cable defective
Replace
Err.2
Value below display range
Check: Is the value below the measuring
range? Temperature too low!
Wrong probe connected
Check probe
Sensor/cable defective
Replace
Err.3
Value exceeding display range
Set resolution to 0.1° or Auto
Err.4
Value below display range
Set resolution to 0.1° or Auto
Err.7
System error
Return to manufacturer for repair
14 Reshipment and Disposal
14.1 Reshipment
All devices returned to the manufacturer have to be free of any residual of measuring media and
other hazardous substances. Measuring residuals at housing or sensor may be a risk for
persons or environment
Use an adequate transport package for reshipment, especially for fully functional devices.
Please make sure that the device is protected in the package by enough packing materials.
14.2 Disposal instructions
Batteries must not be disposed in the regular domestic waste but at the designated collecting
points.
The device must not be disposed in the unsorted municipal waste! Send the device directly to
us (sufficiently stamped), if it should be disposed. We will dispose the device appropriate and
environmentally sound.