[time-nuts] Re: Efratom FRK with "inoperative lamp"

[Matthias Welwarsky]

On Dienstag, 15. Februar 2022 08:10:12 CET Darren Freeman wrote:
> On one of my units, I had to manually run the lamp heater to a higher
> than normal temperature, before it would light. (With a thermocouple,
> it's best to use some heatsink grease, otherwise the readings can be a
> long way off.)
> 
> The needed temperature gradually came down, until the unit could be
> reassembled and used normally. On another, I just waited for several
> hours at the usual temperature, and that was enough. Although again, it
> took a couple of days of operation before it would light without
> hesitation.

On the same note, if you have a hot air rework station, you can try gently 
heating the lamp assembly from a distance, it may help getting the lamp to 
ignite, too.