Praher Plastics AQUASTAR mp6 plc, Operation Manual

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12.1 Errorstates
Error Cause Action Signal Reset Possible reasons
Power loss The power supply
has been interrupted When the
Aquastar is at
an unsafe
position it
approaches
filter.
Pos relay is
turned off.
(only with
Safteypack) 1s Connect power.
The pos relay is
then turned on and
the PLC must set
the input again.
The input will be
ignored until the pos
relay is set

Power loss

Cable break
Position error Voltage has been
applied to more than
one input
Aquastar
approaches
position filter 2s
Reset all inputs
(no voltage at all
inputs)

More than 1 position is
selected

Power supply of the
inputs is insufficient
Current error The allowable motor
current has been
exceeded The motor
stops and tries
to reach
position again
2 seconds
later 3s
Not necessary:
If current is below
current limit in the
next attempt, normal
operation goes on

Aquastar is not fixed
well enough

Pump hasn’t been
turned off
Current
errorstate
The allowable motor
current has been
exceeded three
times in this
positioning cycle The Aquastar
is set in
errorstate:
No actions
possible until it
is reset 4s
Apply voltage to
either ERR or FI,BW
and RI
simultaneously for at
least 5s an take the
voltage away after
that

Aquastar is not fixed
well enough

Cable break

Motor is broken

Valve is broken

Pump hasn’t been
turned off

Water column exceeds
3 metres

One of the motors is
connected false:
Red cable has to be
connected to rt an blue
one to bl
One Hall
errorstate
The choosen
position hasn’t been
reached within the
last 3 rounds or
minutes The Aquastar
is set in
errorstate:
No actions
possible until it
is reset 5s Apply voltage to
either ERR or FI,BW
and RI
simultaneously for at
least 5s an take the
voltage away after
that

Electronics are broken
Hall
errorstate
The program has
turned on the motor
but the position
hasn’t changed for
30 seconds The Aquastar
is set in
errorstate:
No actions
possible until it
is reset 6s Apply voltage to
either ERR or FI,BW
and RI
simultaneously for at
least 5s an take the
voltage away after
that

Electronics are broken

Power supply is
insufficient

Motor is broken

Cable break

End pos switch not
connected

Motor is not connected