Spare Parts - Wilo RainSystem AF Comfort Notice De Montage Et De Mise En Service

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12.2 General faults in operation
Faults in operation can make themselves felt
through a variety of symptoms. They affect the
performance of the unit.
Faults
Pump not running
Pump providing no output or too little
output
Pressure too low
Pump keeps switching off and on
Pump leaking
Potable water replenishment although
rainwater tank is full
Pump does not switch off
Float valve in replenishment reservoir
does not switch off / water is escaping
through overflow
Fault signal "Please check Hardware
config." on the display screen of the RCE
If the operating fault cannot be remedied,
please consult a specialist technician or the
nearest Wilo after-sales service point or
representative.
12.2.1 Resetting fault signals
Once the fault has been remedied, the fault sig-
nals must be reset so that the unit will resume
operation.
Deleting the fault signals for back pressure at
overflow (4.03), alarm level (4.06) and tank
overflow (4.08)
• Remedy the cause of the fault
• Enter password 02
The display briefly shows: > select operational
mode <.
• In menu 4.00, delete the fault with the OK button.
• Go back to the main menu via menu 4.99.
• Switch the switchgear back to automatic operat-
ing mode by entering password 00.
32
Causes
• No power supply.
• Air is getting into the suction pipe.
• Suction head exceeding the maximum. • Check the water level.
• Air in the pump.
• The filter is blocked.
• The suction head is too high.
• Foot valve blocked.
• Small leakages or non-return valve in
FluidControl no longer closing.
• The mechanical shaft seal is faulty.
• Level sensor dirty or faulty.
• Sensor cable incorrectly installed
(equalising capillary is closed off).
• System is reaching only a pressure
(actual pressure) above 1 bar and
below the start-up pressure. It is oper-
ating off its pump curve.
• Float valve pulled out of position or
mechanically blocked.
• Jumper in the rear panel of the RCE's
display board (see Fig. 9) for correct
identification of the pump type is not
firmly in place or is missing.
.
Remedy
• Check fuses, connections and supply
line.
• Seal the suction pipe.
• Bleed the pump/unit.
• Clean the foot valve.
• Check the water level.
• Clean the foot valve.
• Block off the pressure pipe in some
way in order to find the fault. Remedy
the fault.
• Change the mechanical shaft seal.
• Tighten screws on the stage housing.
• Clean the level sensor or replace it.
• Check the cable connection and rout-
ing for pinch points.
• Contact Wilo after-sales service.
• Visual inspection; if necessary improve
the support for the supply line or clean
the tank or valve.
• Contact Wilo after-sales service.
Deleting the fault signals for dry running (4.01),
switching frequency (4.02) and max. pump time
(4.07)
• Remedy the cause of the fault
• Reset the fault signal with the confirmation but-
ton .
Deleting the fault signals for water level sensor
(4.04) and pressure sensor (4.05)
• Remedy the cause of the fault
• The fault is reset automatically.

13 Spare parts

Spare parts may be ordered via local specialist
retailers and/or Wilo after-sales service.
To avoid queries and order errors, please supply all
data on the unit name plate with every order.
Subject to change without prior notice!
WILO SE 01/2009