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8. Malfunctions and Corrective Action
Malfunctions are displayed and signalled by
an acoustic alarm. The alarm tone can be
acknowledged with the "T" button, but the
error message stays displayed. When the
error has been corrected it can be acknow-
ledged by extended pressing of the "T".
8.1 Possible types of error
8.2 Troubleshooting
Read and follow the "Safety Instruc-
tions" and "Inspection and Maintenan-
ce" chapters!
Meaningful tank height and switching point
values are necessary conditions for the
troubleshooting.
Error A - 1 (malfunction):
The water level in the tank has exceeded
the backwater switching point RSP.
It is possible that the tank has been flooded
due to backwater from the sewer and wa-
stewater containing faecal matter is in the
tank. The water quality must be checked. If
in doubt, contact your customer service
partner.
Aqabull response:
The drinking water top-up is automatically
switched on. The non-potable water system
is supplied directly from the drinking water
top-up tank until the error is acknowledged
at the switching device.
Aqadive response:
Drinking water top-up is blocked until the
error is acknowledged at the switching de-
vice.
Error A - 2 (malfunction):
Leaked water has been detected by the le-
akage probe. Please check the place where
the leakage probe is attached immediately.
If in doubt, contact your customer service
partner.
Error-
Error type
Code
A - 1
Backwater switching point RSP
has been reached
A - 2
Leakage probe signals leaked
water
A - 3
Ultrasound sensor or leakage
probe signal error
A - 4
Ultrasound sensor receives
no echo
A - 5
Ultrasound sensor measures
value which is too large