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Revision: If the batteries stack on top of each other, they have to all go in the same direction. Be sure the flat backs are in the direction toward the spring. The protrusion on the other end of the battery will face away from the spring. End revision.
It is very common to use the following method.
Look into the compartment and you will see a spring where each battery goes. Place the battery's flat bottom against the spring. Put the compartment cover back on and test your scale. If the batteries are good and the scale works it should be ready for you to use once again.
Try removing the battery(s) and gently scrape the terminals where they would make contact with the batteries to remove any oxides. you could use a small exact knife or rub them with a nail buffer. Be sure that the new batteries are inserted observing the correct polarity.
I had the same problem and, suspecting that the metal contacts weren't making proper contact with the batteries, I used a long nosed pliers to gently bend all ten contacts towards to the batteries (there are eight small tabs in the battery compartment, and two on the battery cover). If you don't have a long nosed pliers a small screwdriver should do it if you held the fixed part of each set of contacts so it doesn't detach during the process.
Unfortunately, it worked, but only for one weigh, and then it reverted to "Lo". This happened twice, so I telephoned the Salter Customer Service Helpline (01732 360783) who recommended a reset, which is done by removing the batteries, standing on the scale for 20 seconds, and replacing the batteries. That also only worked for one weigh, so they are looking into it further and I'll post the results here, but in the meantime I hope one of the above solutions will work for others.
Battery Replacement Instructions 1. Turn over the scale and open the battery door. (Push ribbed switch and pull up) 2. Replace old batteries with two new 3V Lithium batteries (CR2032). 3. Close battery door. 4. Properly dispose of old batteries.
There is nothing holding the batteries in place once the battery door is opened. If the batteries are difficult to remove, use a small screwdriver to gently pry up on the battery or simply after opening battery door invert the scale and shake.
This sounds very typical of kitchen and postal scales. I know you don't want to hear this, but this basically means it is time to replace your scale with a better scale - perhaps no longer giving Salter your business..
The battery is located behind the LCD screen, slightly on the right hand side side if you are facing the LCD screen. You can drill a hole on the platic case from the back of the scale, and you will see the battery house and 3 screws on the battery house lid, unscrew the 3 screws, you can take out and replace the 3V Eveready button type battery easily.
I have tried to open the case by taking out the spring latches located behind the 4 legs of the scale, it was much harder to put every thing back afterward.
OK, I just (11/29/09) replaced the battery on Conair TH301S glass scale. You will need a CR2032 (3V) battery, a small (P12) phillips screwdriver, a flat screwdriver and a small twiser (to hold small screws).
On a stable and clean surface (kitchen table, no kids around due to small screws) lay flat upside down the scale.
1) Remove all 6 phillips screws that hold the inner frame.
2) With the help of the flat screw driver unhoock each side of the inner frame (horse shoe shape)
3) Open slowly because there are 2 wires that connect the weight sensors and lay flat on the side.
4) There is an eletrical circuit beside the display, it is being held by 5 very small phillips screws (remove them)
5) The you will find underneath a small round black box held by 3 phillips screws. Remove them, open slowly the top cover and inside reside the battery, pop it up gently with the flat screw driver.
6) Replace the battery, reinstall the 3 screws.
7) Where the display stand, remove the 4 screws of the plastic cover. Slowly remove the cover and the LCD display itself (pay attention on how the display is installed).
8) Re install the circuit board with the 5 smaller screws
9) With a QTips and alcohol clean the contacts of the circuit board where the LCD dispaly sits. Sit in place the LCD display (it will touch the circuit from above) .
10) Place the plastic cover with the 4 screws.
11) re install the frame and put the 6 screws.
12) YOU HAVE DONE IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The whole top cover which is the part that you stand on (loading platform) comes off. Turn the scales upside down, pull the sides of the plastic cover to unclip the catches and the body can be removed from the cover. Remove the screws to the displlay and there will be a battery compartment underneath the display. Remove the cover to the battery compartment and make note of the battery orientation. Replace the battery in the correct orientation or you will destroy the scales. Repace the battery cover. Scew the display to the body. Press the cover on the body with the display showing through the window.
My scale had the same problem. I replaced the battery, but still got the same message. My wife noticed that one of the feet on the bottom of the scale was loose. The feet are twisted on to the scale and held by two small flanges. When I gently pulled the loose foot away I noticed that a small black wire had broke. I used my fingernails to remove a small bit of the wiring cover and twisted the ends back together. I then hide the wires back in a recessed area on the foot and placed it back on the scale. Worked just like the day I got it.
Hope this helps!
My scale is an older model, "can't locate model# in or outside" sticker on back plate is RH697. Scale was purposely setup so that no one can change the battery but a tech. Back plate had no instruct as to where battery is and the 4 small phillips screws were covered with rubber filler. I scraped off the rubber filler and opened it up, inside was a computer board which I took out (6 tiny phillip screws) to get to the battery (it was the expected 3V) the battery was front and back soldered in. That was enough for me, this company is nothing but a bandit forcing you to a tech (est. cost 45-60$) or to make another purchase. True piracy, I'm throwing it out. Make sure when buying anything that runs on batteries that the product offers ease of replacement, I am disgusted with Thinner.