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Wild (Leica) distomat error 55

Wild (Leica) distomat error 55

(OP)
I have a Wild DI1600 attached to a Wild T2002.  When I request a DIST measurement it takes a while but eventually displays an error 55 on the Distomat (error 255 on the T2002).

I don't have a manual for the Distomat and the manual for the T2002 does not list this error code.

Can anybody tell me what I need to do to clear this?

Can anybody point me at an online copy of the DI1600 (or any other Wild Distomat) manual?

RE: Wild (Leica) distomat error 55

Try this.
http://209.85.229.132/search?q=cache:Fb77r2Q_etgJ:home.agh.edu.pl/~owerko/DI%25201001/instrukcja%2520Di%25201001.pdf+Wild+DI1600&cd=5&hl=en&ct=clnk&gl=uk


55 appears to be  - Interference during measurement (e.g no return signal, break in beam, excessive air turbulence)
Close range signal too weak.

press 1 ce 1; and or increase no of prisms; check adjustment of head

Measurement exceeds ambiguity. press 1 ce 1: set LDIL mode

Cheers,
Chris

RE: Wild (Leica) distomat error 55

Further to above , check out page 3 of the link especially wrt adjusting the DISTOMAT head

Cheers,
Chris

RE: Wild (Leica) distomat error 55

(OP)
Chris,
Thanks for the tips.

I set up again with the prism about 100 ft away and still could not get a distance.  Test mode indicated no return signal.

I moved the prism to about 20 ft -- still no luck.  

I took the top cover off the distomat and looked around; nothing appeared to be amiss (pristine clean inside).  The one (apparently) moving part seemed to move freely (looks like it is a shutter).  I put the distomat back on the theodolite with the cover loose and observed the shutter (??) and low and behold a got a good distance result.  I checked the distance with a hand held disto and got agreement within a few mm. YEA!! I took the distance several times and then took the distomat off to put the screws back in the cover.

Upon reattaching to the theodolite, I'm right back where I started: error 55.  Tried taking the cover off again but no luck.  Tried removing and reattaching the distomat several times to see if it's a bad connection to the theodolite; still no luck.

While it is nominally taking a distance, I can hear a very high pitched whine; is this normal?  Any other ideas?

Thanks,
Bob

RE: Wild (Leica) distomat error 55

From memory I think that the shutter may be a "cascade filter" and it is probaly this which is malfunctioning.
I don't think that you can avoid a Dealer Service.evil

Cheers,
Chris

RE: Wild (Leica) distomat error 55

Hi, i'm getting the same error on a TCRA1103 total station. besides when i switch the laser pointer on the laser won't ocme out of the telescope, however when i look through the front lens of the instrument i can see the laser cominfg out of the bottom of the telescope. do you think mine has the same thing?

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