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Pulsacoil III knocking sound

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Pulsacoil III knocking sound  Empty Pulsacoil III knocking sound

Post  TML67 Thu Mar 07, 2013 10:29 am

Hello,
My Pulsacoil III has started to make a slight knocking sound when on i.e. when activated by the Economy 7 electricity supply. The water supply is hot and the top tank is full (and hot). Both green lights are on. I've looked everywhere but I cannot locate any red lights. The Economy 7 electricity supply is turned on for three hours at night and again in the late afternoon. During the 'on' periods, the Pulsacoil III seems to turn on and off as if heating the water for 10-15 mins then pausing before heating again. It's during these 'heating' periods that the knocking sound is evident, and I would describe it as a low, dull knocking, almost one knock every two seconds and slightly irregular.
Does anyone have any advice how I can rectify this please?
Thank you,
Tim

TML67

Posts : 3
Join date : 2013-03-07

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Post  mike Fri Mar 08, 2013 11:16 am

Check the rod stats are working ok.
If not could be an immersion heater starting to go.
Or unit could be sludged up.
Mike
MGC/H2O
Norfolk

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Post  TML67 Fri Mar 08, 2013 11:48 am

Thank you for your reply Mike, I appreciate it. Do you know how I can check the rod stats and check if the unit is sludged up - or is this a job for a professional?

TML67

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Post  mike Fri Mar 08, 2013 11:50 am

If you search on here those items mentioned.
You may be able to check yourself.
But if unsure get some one in.
Mike

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Post  TML67 Fri Mar 08, 2013 12:16 pm

Thanks

TML67

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Post  sunny.sahdev Mon Sep 02, 2013 7:51 am

We have come across similar problems, it was sludge found in the system that was making that noise. Go with what Mike said. Also problems start to increase when people don't use their system correctly. I recommend you request this free self click guide via this webpage Pulsacoil 3 Spares which may help you understand your system better.


sunny.sahdev

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