BWT Aqua Flex T 1000, Руководство пользователя, Страница: 10 / 28

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10
Alarm overview
This chapter deals with problems that may occur on the plant. Follow the instructions in the relevant
flow diagrams in order to perform a troubleshooting and problem solving.
Note! Please ALWAYS pull the POWER PLUG before connecting the electrical components.
Description
of error/
fault
Reason for error/fault Action
Error 1:
The reservoir
is empty

Low water level

Check if too many consumers are connected on the
BWT AQUA Flex reservoir and switch some off. Let
the BWT AQUA Flex reservoir become completely
filled up.

Check if the level sensor float is stuck in top of the
BWT AQUA Flex reservoir. Carefully push the level
sensor float up/down so that it is at permeate level.

Check if the level sensor and/or the level sensor
cable are defective. If so, replace.

Check the TP-pump (See Error 1 , Error 2 and
Error 3 ).

Check the RO-manual: ”Indication: Level low”.
Error 2:
TP pump
doesn’t run

Switch is at OFF.

Turn switch to ON.

No call for water

Create water consumption

Low water level.

Let the BWT AQUA Flex reservoir become
completely filled up and the TP pump will start
automatically.

Pressure switch set incorrectly.

Set the pressure switch to 4.0 bar (Stop) and
3.0 bar (Start).

Defective pressure switch.

Short the pressure switch by making a jumper
between the two socket terminals. If the pump only
runs when this jumper is connected and there is a
request for water, then the pressure switch is
defective and must be replaced.

Defective capacitor.
(Only for reservoirs with internal
transport pump)

Open ON/OFF switch (3 - Spare parts drawing)
and replace capacitor.

Defective fuse.

Check the RO-unit PCB (F3 - PCB) and replace the
fuse of the TP pump.

Defective TP-pump.

Replace TP-pump.

The overload relay of the TP-pump is
switched off (check RO-control panel).

Check control panel of the RO unit and switch on
the overload relay of the TP-pump.

Defective PCB (check RO unit control
box).

Replace PCB of the RO-unit.