Intermitant working on high setting
When first switch on on high setting there is a brief flash of 'low pressure' light then the LED dims and then shower switches off. If run on low setting for about 5 minutes and then switched to high the LED dims and after several tries stays on and all is well. The next person who showers has no problems.
Next morning the problem is back.
Additionally some times when started on high the 'Auto Reset' light comes on and although the shower continues to run the water is not heated.
This started as an occasional fault but now it seems to be taking longer each day for the shower to work correctly.
From your description this could be a number of faults, therefore I need to try to isolate them one at a time
The things to check first are.
1 That the main valve coming into your house is fully open.
2 Then check that the valve on the line to the shower is fully open.
If these valves are not fully open then there may not be enough water getting to your shower to open/close the safety device that allows the power through to the elements.
There next thing is you need to know the water pressure.
You could give your local water authority a ring and ask them what your water pressure should be, they will probably say that the supply a minimum of 1bar (the minimum required to operate a shower)however press them and ask what it is likely to be first thing in the morning (when everybody is showering)
They could have the pressure turned down because they are working on the main, or because there is a burst pipe some where and they have turned the pressure down to try to save water, or the pressure maybe low just because there is a burst pipe somewhere, that hasn’t been discovered yet!
If none of these things fix or show up the fault then get back to me and let me know if anything has changed.
Answered 9 years ago by Anonymous
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