20 Most Recent Seiko S149 Stopwatch/Printer Questions & Answers


Go to this link for your instructions. The title page is in Kanji, but the instructions are in english...


http://www.cei-ultrak.com/seiko/s149.pdf

Good luck and don't forget to vote.

Seiko S149... | Answered on Feb 11, 2018


You may need to reset it. Unfortunately, this can not be done without taking the unit apart. I fixed ours yesterday when the screen was blank, by replacing the internal battery. Part of that process is resetting the clock.

This might solve your problem and so, I have included my full instructions for replacing the battery.

You will need a small phillips screw driver, a paperclip and a new battery. ( a CR2032 works fine and can be bought anywhere)
Keep in mind, you will be handling some electronics, so keeping static discharges to a minimum is a good idea.
*Place the unit face down on a table.
*Remove the battery cover and batteries.
*Using tape, cover the two switch sliders located on the sides of the unit so they stay in place when you remove the back.
*Remove the three screws inside the battery bay and the four longer screws on the main body.
*Before you gently seperate the back from the front, take note of the two battery connections that are on the outer edge of the battery box and are opposite of the strap brackets. These will need to be coaxed through the plastic as you pull the back off. You will also need to manipulate/open the paper roll cover.
*Remove the back cover.
*The top circuit board and printer are connected to the lower circuit board and front cover by a white ribbon cable and wires to a switch. Gently lay the top circuit board and printer to the side, being careful not to unlpug the cables.
*Locate the battery, it is standing on edge. Note the orientation.
*Straighten the paperclip and make a hook so you can remove the battery.
*Install the new battery, taking care to not bend the connectors.
*A label on the inside of the back cover details the reset procedure. Locate the AC and + on the lower circuit board.
*Use the paperclip to make an electrical connection between those two points.
*Reassemble the unit in reverse fashion.
*Pay attention to the switches on the top circuit board and the slots they fit into. These are the black switch sliders that were taped to the side.
*The printer assembly should set into place.
*Reinstall the back cover, coaxing the battery connections through their respective holes.

I hope this solves your problem.

Seiko S149... | Answered on Oct 19, 2016


I have the same, assume the watch battery is gone. Handbook says the whole timer has to go to a dealer to replace the battery.. the printer batteries are easily replacable, I wonder why they made the watch battery such a costly deal?

Seiko S149... | Answered on Oct 19, 2016


there are four screws on the back and three in the AA battery tray. then you remove three screws holding the battery down.

Seiko S149... | Answered on Oct 11, 2013


Welcome to FixYa.

The possible causes of your stated problem are the following:
  • weak batteries
  • batteries are not installed properly
  • the paper is stuck
  • the roll paper gets out of shape
  • the power switch of the printer is not set to "ON"

Solutions:
  • replace the batteries with new one
  • insert the batteries correctly
  • remove the paper
  • make the roll paper round
  • turn the power switch "ON", and then press the start button

Thank you for using FixYa. Keep me posted.

Jas247

Seiko S149... | Answered on Aug 08, 2011


See:
http://www.battery-house.co.uk/reference.html
for a list of battery equivalents. Looks like the SB-T74 is a CR2340, available online for a couple of UK pounds.

Seiko S149... | Answered on Aug 03, 2011


Check out if your watch needs separate battery for watch functions.

Seiko S149... | Answered on Feb 25, 2011


Don't start a race without checking on the paper supply first! Sorry Chris I could not help my self ;o)

Seiko S149... | Answered on Sep 12, 2010


there may be an AC terminal that you will have to contact with the positive side of the battery, also make sure that the batteries were replaced in the same position the old batteries came out

Seiko S149... | Answered on Oct 21, 2009

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