AL-KO HW 5000 FMS PREMIUM - Инструкция по эксплуатации - Страница 22

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Troubleshooting

22

HWA 5000/6000 FMS Premium

Display indicator Cause

Actions

ALARM
Water supply

1.5 BAR

Suction line not in the water,

no flow and no pressure.

Message appears after 90 seconds. After rectifi-

cation of the fault the resetting of the fault mes-

sage is carried out by pushing the SET button.

Running text CHECK WATER INFEED

NORMAL 0
Air test

1.5 BAR

Pump switches on after de-

lay.

Measuring cycle:

After a specific number of cy-

cles the pump switches on not at the switch-on

pressure, but rather waits approx. 25 seconds to

see if the pressure in the system drops to 1.5 bar.

If the pressure does not drop in this time, the air

filling is OK.

TROUBLESHOOTING

CAUTION!

Disconnect  the  mains  plug  before  any  fault  rectification  work.  Faults  in  the  electrical  system

must be rectified by an expert electrician.

Malfunction

Cause

Rectification

Pump motor does not

run

No mains voltage

Check fuses and power supply.

The suction line is not in the

water.

Submerge the end of the suction line into

the water by min. 30 cm.

Suction line blockage

Remove dirt from the suction area and filter.

Pressure line blocked off

Open the closing off devices in the pressure

line.

Pump drawing air into the

suction line

Check all the connections in the suction line

for leaks.

Replace seal ring.

Pump drawing air, water

shortage on suction side.

Switch pump off and allow to cool.

Hose diameter too small

Replace the pressure hose with one with a

larger diameter.

Fault message "Suction

Side" appears

ALARM
Water supply

1.5 BAR

Water volume on the suction

side to little

Throttle back the pump to adapt the flow

rate.

Fault message "TOP

UP 1.5 BAR" appears.

Low air pressure in the stor-

age vessel

Top up the air in the storage vessel. (Set the

diaphragm pressure to 1.5 bar).

Running text TOP UP 1.5 BAR

ADVICE

If the faults cannot be rectified please contact our Customer Service Department.