Hoover HNL2136S overfill

[Simon46]

No blockages in pressure system and cant see chafed pressure hose. Are the pressure switches unreliable because it seems to stop filling if i blow manually into pressure switch. ie do switches go out of calibration on these models?

Regards
Simon

[trotter]

Re: Hoover HNL2136S overfill

Just a thought………have you taken the hose off & blown through it whilst in a bowl of water, It won’t find the fault but it will give you rosey cheeks!

No only kidding! …..I just thought that maybe if there is a pinprick hole in the hose, you would activate the switch by blowing through hose but the air pressure from water rising wouldn’t be sufficient……If that makes sense?

[Simon46]

Re: Hoover HNL2136S overfill

No but after leaving the water in drum for 5 mins watching pressure vessel saw no rise in level but when hose removed air shot out and water too. Wonder if switch has been clouted by the drum.

S.

[Martin]

Re: Hoover HNL2136S overfill

Simon46 wrote:cant see chafed pressure hose.

Yes, but have you actually taken the hose off and looked? Better still …replaced it? As that sounds like it’s the problem to me rather that the Pressure switch. 😉

[Simon46]

Re: Hoover HNL2136S overfill

Pressure switch replaced now all ok. Tested fill over and over again. Opened and found changeover spring inside looks to have got hot.
Would have said it would be hose as well. Odd.

S.

[Author]

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