PSB and Pump replaced Pump humming and getting hot

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PSB and Pump replaced Pump humming and getting hot

Post  simonc12 on Mon Dec 16, 2013 9:03 pm

The PSB and pump have both been replaced.

Water heats up fine on both peak and off peak. If the pump is set to 2 1/2 on the adjuster it does not make the humming noise but only hot water for a few seconds. Turn it upto 3 and the pump starts lovely hot water but getting humming noise and pump gets hot. Switch the hot off and the pump still making the humming noise as though it's still running. Only way to stop is by turning it back to 2 1/2 on the pump adjuster

Any ideas?????

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Re: PSB and Pump replaced Pump humming and getting hot

Post  Mario.S on Tue Dec 17, 2013 11:42 pm

simonc12 wrote:The PSB and pump have both been replaced.

Water heats up fine on both peak and off peak. If the pump is set to 2 1/2 on the adjuster it does not make the humming noise but only hot water for a few seconds. Turn it upto 3 and the pump starts lovely hot water but getting humming noise and pump gets hot. Switch the hot off and the pump still making the humming noise as though it's still running. Only way to stop is by turning it back to 2 1/2 on the pump adjuster

Any ideas?????

Hi
This sounds like a sensor or psb fault ( also new one's can have fault) but nothing wrong with the pump him self. First, pump back to setting 3 and wait for at least 20 minutes after using any hot water tap for the pump to go off. If not happening Pump to setting 1 or 2 should make the humming less for now and still gives you hot water. Difficult to investigate via text, a competent person would have to do this faultfinding more accurate at a visit.
hope this helps regards Mario at Mario's Boiler Service


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