puma 100e

6 Mar 2006
Reaction score
United Kingdom
We got a puma 100e.
when we set the timer to come on the boiler comes on for a bit then goes to lockout .
If we put the boiler on constant it stays on for a bit then goes to lockout again, if we reset it it does the same .
Now if we want hot water we have to reset the lockout and then we get it till we turn the tap of then it goes to lockout .
If we want c/h on it doesent matter if its on timer or we just switch it on , it stays on for about 15 min then goes to lockout so we have to keep reseting the boiler.
I no nothing about boilers so i need help of you guys.
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Turn CH off. Reset boiler. Leave CH switch off. If CH comes on then the HW flow switch is stuck.

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