While you're at it, check one more thing! If the problem turns out to be
welded contacts on the thermostat switch, check that the MOV across the
secondary of the transformer is still good. I had one that repeatedly
welded the contacts till I replaced the MOV and has worked for 5 years
now without a problem.

Joshua G Senecal wrote:

On Fri, 19 Dec 2003, G.Beat wrote:
Wow, I didn't think that my question would generate so many responses!
Thanks everyone for your input.


The Red-Glow tells you 2 things:

1. The heater (Weller EC234) is still working (but you are shortening its
life operating in this manner - cherry red)


Well, I don't operate with it cherry red. This is the first time it's done
that--hence my knowing that something is amiss.


2. The WTCP series temperature control (which works with the "PT" tip and
the SW60 switch) is not working properly.


Recommend: Change tips. Improper tips will cause this problem.
Get a Weller PTA7 (which is the standard tip shipped with this iron).
The barrel net (BA-60 may also require replacement.


I'll take a look and see. The station came with two tips, both #7, but in
the 11-odd years I've owned the iron I've never used the second one.


I also have the Weller Tech Sheet for this model -- if you need
a copy. This has part numbers, diagrams and troubleshooting advice (shipped
with every unit new)


Actually, I would like a copy, thank you. Since I got mine at a yard sale
I don't have any documentation. Please e-mail to
, removing the reversed "nospam" first.

-Josh, AE6IQ