Central Heating fine but no hot water?

[shivers1978]

Hi There,
Just today I noticed that we have no hot water. I pressed the advance water heater button and nothing happenend. The central heating is working fine so there is hot water there but it isn't coming throught the taps or shower!!
Plese help.
Many Thanks.

[Iggle Piggle]

This could be many things depending on what boiler and system you have.
Maybe a failed 2 way valve or hot water tank thermostat.
Do you know the programmer has not been adjusted by someone else......
If you find out what boiler and system, we can help more....