I have Sime Format Boiler ("30E" model) for central heating only. Suddenly it stopped working. So I grabbed its manual and followed all start up instructions but - no result! No even green indicator light (power is ON). Any suggestions?

SOURCE: central heating thermostat

Looks like it was replaced by the CM67 series, try this link for the manual:

http://www51.honeywell.com/pacific/common/documents/CM67_User.pdf

Geno

SOURCE: My oil fired central heating

Since you have done a good job bleeding the system, I will suggest that the impeller on the pump is bad. Many times these will simply deteriorate in the volute causing the symptoms that you describe.

This looks like it is in the wrong forum. Try reposting this in the heating section of the FixYa web site to get more responses.

SOURCE: Vulcan CX Central ducted heating. RE:

The control panel gets its power from the central heating unit's power point. Try turning the power off outside at the powerpoint next to the ducted heating unit and try turning it on again after a few seconds, see if it resets

SOURCE: vokera combi boiler

air in system

SOURCE: I have a Sime Super 90 Combi Boiler. How do I

does it have a little red button on the right hand side of the gas valve? if so you must put the gas valve button in the pilot positon and push it down and hold it, then click the red button {push it down} it will click and look at it keep clicking while holding down the button on the gas valve eventually when the gas gets thru it will light could take several clicks of the ignitor