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How to prevent and fix HL and other errors on the CleverSpa hot tub pump
Included with your EASY-SCALE™ kit are 2 screw-on caps, 2 pre-assembled fitting kit pipes and a sachet of Oust (or similar) descaling solution.
(Oust not supplied with non-UK orders due to shipping restrictions)
Always rinse your EASY-SCALE™ thoroughly with clean fresh water before and after use.
Descaling should always be done with an old towel underneath your EASY-SCALE™ to capture any spillages.
Unfortunately these fittings that keep the water in the tub need to be removed, thus you will need to empty the tub prior to descaling.
We recommend OUST descaling solution. Always use a suitable descaling solution or tablets and follow the manufacturer’s safety instructions.
Ensure the tub is empty of water.
Switch off pump. Unscrew the filter from inside of the hot tub.
Using a philips screwdriver and the spanner that came with your tub, undo and remove the 2 fittings that secure the pump to the tub. If you don't have the spanner simply use a pair of waterpump pliers taking care not to damage the threads on the bottom filter fitting.
Attach the descaler to the pump; Screw the big nut section of the pre-assembled pipes supplied onto both pump fittings. Screw the 2 blue fittings onto the EASY-SCALE™. Ensure all fittings are tightened, including the caps, hand tight only. DO NOT OVERTIGHTEN OR USE PLIERS AS THIS WILL DAMAGE THE THREADS.
Fill to about 2” below the top. Switch on pump and test for leaks, tighten fittings if necessary, including the caps. Add the Oust (or similar).
Run pump for a minimum of 30 minutes on heat (30°C) Ideally you want to achieve a water temperature of 35°C - 40°C but if the pump shows an overheating error code HL simply reduce the heat accordingly. The water may turn rather milky – a good thing – the milkier the solution, the more limescale you are removing.
Switch off pump. Hold an empty jug under the bottom fitting. Undo the blue bottom cap allowing the solution to empty into the jug.
Reattach the blue cap on the bottom fitting. Repeat steps 6 and 7 with clean fresh water for a minimum of 5 minutes.
Remove your EASY-SCALE™. Pop the assembled pipes inside the EASY-SCALE™ ready for next time. Refit the fittings to the pump remembering to replace the screw in the bottom fitting.
Replace the filter, refill tub with water.
Switch on pump and enjoy once again.
Use 3-4 times a year to prolong the life of the pump and internal components. More frequent / repeat treatments / leaving overnight may be needed in exceptionally hard water areas; there is no such thing as over-descaling a Clever Spa!