AllPondSolutions CUV-118 Manual - Page 12

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TROUBLESHOOTING

The Light on My CUV Unit Isn't Working

If the UV indicator on the top of the ﬁlter casing is not lighting up follow these

troubleshooting steps:

1. Clean the UV indicator.

2. Please check for signs of damage or water

ingress to quartz sleeve and bulb area. You might

need to replace your quartz sleeve, ballast and/or

O-Rings if that's the case. Ensure that all O-rings

are in place and well lubricated.

3. If you ﬁnd that the UV light is still not operational,

check that you have power from the mains supply.

4. If you do have power from the mains supply,

check if you can see the UV is operational through

the viewing hole. If you aren't able to see it, try

performing a safety override. Locate the safety

override switch on the ballast end next to the UV

bulb ﬁtting (as shown in the image on the right).

IMPORTANT!

NEVER look directly at the UV light.

Press and hold the small thin silver switch when

the power is on and the bulb should ignite. Please

test in a dark/ shadowed place and do not look directly at the bulb – we

recommend covering the bulb with kitchen roll or similar. You should still be

able to see the glow of the bulb through this.

5. If the above does not solve the issue replace the UV bulb.

6. If you ﬁnd that the UV light is still not operational after the bulb replacement,

the UV ballast may have developed a fault and you will need to contact the

supplier of your unit to obtain replacement parts.

Please remember that UV bulbs for use in ponds should be replaced every 12

months.

UVC Leaks

If your unit is leaking follow these troubleshooting steps:

1. Check that the UVC inlet/outlet caps and O-ring have been correctly

assembled and that they are hand tight. Ensure the O-rings are intact, well

lubricated and not twisted or damaged.

2. Always secure the UVC inlet hose and outlet hose with a jubilee clip.