LabTower EDI
Ultrapure water system
43
13. Trouble shooting
Fault
Cause
Remedy
The system does not start
- No supply of power
- Connect to power supply
No dispensing possible
- Feedwater tap is closed
- Feedwater and rinse water
connections the wrong way
round
- Feedwater pressure < 1.5 -
bar
- Open feedwater tap
- Reverse the connections
- Increase feedwater pressure
Conductivity too high
- Ion exchanger capacity is -
exhausted
- Replace ion exchanger with a
new one
System control no longer
reacts
- Improper operation
- Remove line plug for 5
seconds
Water flows out
- Leaky hose connection
- Feedwater pressure > 6 bar
- Check and hose connection -
and stop the leak
- Install a pressure reducer, -
possibly operate via the -
emergency supply
Permeate flow too low
(-15%)
- Blocked membrane
- Precompression too low
- Feedwater temperature -
fluctuates
- Clean the membrane
- Increase precompression
Wrong time or date
- Time zone
Summer/Winter time
- Reset time and date
Wrong language
- Wrong language set
- Set wanted language
