ATB AQUAmax BASIC - Page 31

Operating instructions AQUAMAX
®
BASIC/CLASSIC
ATB WATER GmbH, Südstraße 2, D-32457 Porta Westfalica, www.atbwater.com /
Art.-No.: 9060 0270 / Status: 09.06.2023 /
Page 31 from 36
Fault Possible cause Rectification
There is no indication on the
control display.
 The plant is without power.  Check pre-fusing and/or
residual current circuit
breaker.
 The display is defective.

Call Se
r
vice.
Acoustic alarm sounds. There
is no indication on the control
display.
 The plant is without power.
UVS
®
has triggered.
 Check pre-fusing and/or
residual current circuit
breaker.
 The display is defective.

Call Service.
“Fault” with the description of
the electrical unit involved
appears on the display.
 The unit or the complete
AQUAMAX
®
is not
connected with the control
system.
 Connect the appropriate
unit.
 A screw terminal in the
cable distribution box or on
the terminal strip of the
control unit is not correctly
tightened, so that the
connection is interrupted.
 Have the contact points and
the cabling checked by an
electrician.
 The connection cable from
the electrical unit to the
control box is interrupted.
 Defect rectification see
above.
 The fine fuse of the
corresponding unit has
triggered.
 Change fuse.
 The water level in the
aeration stage is so low
that the pump runs dry.
 Defect rectification see
above.
 The corresponding unit is
blocked or runs rough
(check power
consumption).
 Remove AQUAMAX
®
clear
blockages.
 The corresponding
electrical unit is defective.
 Call Service.