5 MAINTENANCE
5.1 Trouble-shooting
In correct installation the transmitters are maintenance-free. If contamination or clogging
should occur during operation, the transmitter (paddle-wheel, bearing) can be cleaned
with water or another appropriate cleaning agent.
The message "ERROR" on the display indicates that calibration data has been lost. By
pressing ENTER, the user access to operation menu but the device works with the factory
settings. The transmitter must be re-calibrated. If this message appears more often, please
return the product to the factory.
When the batteries become low, the display blinks (flow display and totalizer) but the
device still works. A replacement of batteries muss be planed. The message "LOW BATT"
appears only when batteries are too low to ensure function of the device.
5.2 Locking of the enter key
The enter key can be locked to prevent from access to calibration menu, especially the
reset of totalizer. Remove the cover and put switch
(see fig. 5.1).
Switch
Switch
ENTER locked
ENTER not locked
Fig. 5.1 Indicator totalizer board
FLOW INDICATOR - TOTALIZER 8025
E-14-
in position 'ENTER locked"