8 – 2
m
alfunCTions
©
IT
4000
9.4000.04
1148
8.1 T
roubleshooTing
1. Cause:
The water level in the salt tank is too high (malfunction
message A2)! Overflowing salt tank.
Measure:
Empty the salt tank and carry out a start-up as
described in the instructions manual (5-2).
3. Cause:
The regeneration hose is bended or clogged up.
Measure:
Verify the regeneration hose and ensure the
downward gradient.
2. Cause:
The water pressure is too low.
Measure:
Ensure that the dynamic pressure is at least 2 bar.
Malfunction message A1:
1. Cause:
The water supply has been stopped during
regeneration.
Measure:
Restore the water pressure.
Unplug the device and turn the driving wheel
clockwise with a spanner of size 13 until reaching the
operating position (position 1 - cf. chapter 7-1).
Plug in again and initiate regeneration.
2. Cause:
The water pressure is too low.
Measure:
Make sure that the dynamic pressure is at least 2 bar.
Malfunction message A2:
4. Cause:
The solenoid valve does not close properly.
Measure:
Replace the driving unit
(spare part number
3000.00.904).