Problem
No water flow through
filter to pond.
Reduced flow through
filter
Water does not clear
Part Number
Range
Model
Volts
UVC (W)
Total Power (W)
Maximum Pond size without Fish
Maximum Pond size with Fish
Max recommended Flow, Qmax,
(lph)
Recommended
Inlet
Hose Internal
Outlet
Diameter
IP Rating
Water Temperature Tmin-Tmax, (°C)
* Measured under controlled conditions
10
Troubleshoting / FAQs
Possible cause
Supply pump not switched on or not working.
Supply hose blocked.
Foams are blocked.
Supply hose blocked.
New Filter has not matured yet.
Wrong sized filter for your pond.
Wrong size supply pump.
Blown UV lamp.
Old UV lamp.
Lamp not working
Foams need cleaning.
The outlet of the pond return hose is positioned
above the supply pump
Pond is overstocked with fish.
Overfeeding.
Technical Information
1862
8000
8W
14
8000 ltr (1760 gal)
4000 ltr (880 gal)
2000 lph (440 gal)
20-40mm
40mm
IPX4
1-35°C
Remedy
Check that the pump is working and switched
on.
Check supply hose and pond return hose for
blockages.
Clean filter (See "Cleaning").
Check supply hose and pond return hose for
blockages.
The pond water clarity should start to improve
within 2-3 weeks, but full biological maturation
can take 6-8 weeks before the filter is fully
effective.
Check you are using the appropriate filter for
your pond set up.
Check your flow rate. See 2.2.
Replace UV lamp.
Replace UV lamp every 12 months.
Check fuse, RCD and wiring.
Clean filter (See "Cleaning").
Move the pump or the outlet of the pond return
hose so that they are as far apart as possible.
Reduce the quantity of fish in your pond.
Only feed your fish with as much food as can
be consumed in a few minutes. only feed once
per day.
1864
Ecopower+
12000
230V 50Hz
12W
20
12000 ltr (2640 gal)
6000 ltr (1320 gal)
2500 lph (550 gph)
20-40mm
40mm
IPX4
1-35°C
1866
20000
16W
22
20000ltr (4400 gal)
10000 ltr (2200 gal)
4500 lph (990 gph)
20-40mm
40mm
IPX4
1-35°C