[time-nuts] HP-5335A Fail Code
Magnus Danielson
magnus at rubidium.dyndns.org
Sun Mar 27 11:57:16 UTC 2011
Gordon,
On 03/15/2011 12:52 AM, Gordon Batey wrote:
> Greetings to the Time Nuts List
>
> I have a HP-5335A counter that has worked well for me for several years.
> Now when turning it on I get a Fail 4.6 readout on the display.
>
> The manual indicates that a 4.6 fail code indicates
>
> "MRD Counter problem in Reg-E or T"
>
> I found in the manual that you should run diagnostic 9 and 10 for this
> condition.
>
> Test 9 returns many changing 4 decimal place numbers 10.abcd , 12.defg ,
> 14.xqrg etc.
>
> Test 10 returns many changing one decimal place numbers ie 15.9 , 16.1 ,
> 16.4 , 15.8 etc
>
> Any thoughts or recommendations on pining down the cause and solution for
> this
> condition would be appreciated.
I have been looking at this email since it hit my inbox. I can't quite
match the readings you have made with what the Diagnostic 9 (8-284) and
10 (8-286) does, it rather matches the manual tests 9 (4.70) and 10 (4.74).
I just ran Diag 9 and Diag 10 on my 5335A and they didn't say anything
else than "PASS".
Unless you found it you need to hit:
To enter diag mode
SCALE SMOOTH 9 9 ENTER
To do diag 9
SCALE 9 ENTER
and to do diag 10
SCALE 1 0 ENTER
Cheers,
Magnus
More information about the Time-nuts_lists.febo.com
mailing list