ARAG DIGIWOLF - Power supply version 12V DC - Manual (Page 19)

19
8 ClEANING AND REPAIR
- At the end of each treatment, run clean water through the tubes.
- If necessary, periodically clean or replace the flowmeter paddle (Par. 8.2). Periodically clean the paddle anyway.
Do not use metal or abrasive objects to clean the paddle.
Do not use solvents or fuel to clean the case outer surface.
CAUTION:
Before each of the following operations, use the following precautions:
1) Wear gloves, goggles and protective clothing.
2) Stop the machine and disconnect the power of the system.
3) Make sure that the system is no longer under pressure.
When replacing the sensor or the paddle, check for the correct reading of the flowmeter. Proceed to a new calibration if necessary.
8.1 Troubleshooting
FAUlT CAUSE REmEDY
The display is off No power supply
• Check the presence and proper
connection of power supply.
Totalizers do not progress
during the passage of liquid.
Rate is beyond operation limits
of the flowmeter
• The model of the flowmeter is
not adequate for the flowrate to be
measured.
Replace the flowmeter.
The sensor is not connected
correctly
• Check the sensor connection.
The paddle-wheel is locked
• Clean or replace the paddle-
wheel group if necessary.
Displayed flowrate is not
stable
Presence of turbulence or air in
the circuit
• Check the circuit .
Worn paddle • Replace the paddle .
Tab. 7
MAINTENANCE