Troubleshooting - Rewatec BlueRain Bedienungshandbuch

GB
5.

TROUBLESHOOTING

Before taking any troubleshooting action, disconnect the pump from the power supply
(i.e. remove the plug from the socket).
If there is any damage to the power cable or pump, any necessary repairs or replacements
must be performed by the manufacturer or his authorized customer support service, or by
an equally-qualified party, in order to prevent all risks.
Fault
The motor does not
start or makes no
noise.
The pump delivers
no water.
The flow rate is too
low.
The pump stops
running (possible
intervention of the
thermal overload
switch).
Possible causes
A) The motor is not powered.
B) There is no water (pump in
alarm mode)
C) The VNR is blocked (pump in
alarm mode)
A) The suction grid or piping are
clogged.
B) The impeller is worn or stuck.
A) The suction grid is partially
blocked.
B) The impeller or delivery pipe
are partially blocked or
encrusted.
A) The liquid to be pumped is
too dense and overheats the
motor.
B) The water temperature is too
high.
C) A solid object is blocking the
impeller.
D) Power supply doesn't
comply with the nameplate's
data.
A) Check the power supply
B) Check the water level
C) Clean the valve
A) Remove the obstruction.
B) Replace the impeller or remove
the obstruction.
A) Remove any obstructions.
B) Remove any obstructions.
A-B-C-D) Disconnect the power cord,
correct the reason for overheating;
then wait until the pump is cooled,
plug the cord and resume operation.
6
Solutions