Intewa AQUALOOP GW 10800, Installation And Operating Instructions Manual

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10. Troubleshooting for single membrane controller
Error Cause Remedy
No display - Cable bridge (s. section 6.1) not
inserted - Plug in cable bridge
- No 24 V voltage supply and
battery has discharged
- Display cable is loose or
defective
- Check AC switching power
mains supply; recharge battery
via internal charging switch. *
- Check display cable or change
display
Battery operating mode
display
Note: After approx. 2 hours the
battery is discharged
- Power failure
- 24 V switching power supply is
not connected
- 24 V switching power supply is
defective
- Wait for power to come back on
- Connect AC switching power
supply
- Replace AC switching power
supply
Display after power failure
Note: Flashing LCD and audible
signal ON/OFF (1 sec / 1 sec
)
- Display (for 30 sec) after power
failure of 24 V voltage supply - Check the number of failures in
status mode in a period, within
24 h for instance. If the number
increases and the reason is not a
general power failure, then the
power supply must be changed.
Display after power failure
Note: Flashing LCD and audible
signal ON/OFF (1 sec. / 1sec.
)
- Display after power failure
during pump cycle - Check pumps in test menu. If
there is a power failure in test
mode, then check for defect in
respective pump or power
supply.
No water filters in the
filtration cycle
- Incorrectly installed float switch
BRmin or Clmax or defective
- Defective filtration pump
- Check the position and function
of float switch and replace if
necessary
- Check filtration pump in test
mode and replace if necessary
Low operating life of
membrane(s) - Backwash pump does not clean
the membrane regularly
- Leakage clogs the membrane
fibres
- Check backwash pump in test
mode (s. section 9.3) and
replace if necessary
- Perform water-tight test (s.
section 9.1) and fix source of
leak if possible