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Author Topic: Error Code 12 Frenzy!!! (FIXED!!!)  (Read 16952 times)
Yoeddy1
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« on: October 08, 2009, 12:35:57 AM »
So I thought I'd share my experience with Error 12 codes on my Jackpot Jungle S Machine.

Some of you know that my machine has a 3 AA battery pack installed instead of the factory battery.  Over the past couple of weeks, I started getting random 12 errors for no rhyme or reason.  When it first started, I figured the batteries were low, so I changed them out.  With new Duracell batteries and hours later, BOOM error 12.  I checked the EPROM's again.  A week ago I found one of them had a bent pin.  Fixed that problem and reinstalled, but no help with the 12 codes.  Then I thought maybe I had a wiring issue with the new buttons that I had installed.  Checked, rechecked, and even put the old buttons back on...no change.  The game might work for hours, or minutes...no pattern at all.  Sometimes when the game was set to pay coins it would play fine until the hopper started to pay coins.  X amount of coins into the payout process it would seize up and bomb out with a 12 code.  I noticed that the power cord was frayed a bit, so I replaced with a PC power cord...worked for a while and then bombed out with a 12 code.  

 Duh! hissy fit

Something was shorting out somewhere....obviously.  Finally, I decided to take the motherboard completely out and after looking closely at the solder job for the battery pack that the previous owner had installed, it looked like the positive lead was a bit loose, but not enough to make a difference.  At any rate, I was desperate, so I resoldered both the positive and negative points.  Reinstalled everything and it is now on day 4 without a single problem!  WOOHOO!!  My machine is working perfect now!   applause  Hope this helps somebody somewhere.
« Last Edit: October 29, 2009, 10:37:52 PM by Yoeddy1 » Logged

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« Reply #1 on: October 08, 2009, 12:58:00 AM »
Soldering is an art, if you get it right, it fixes a lot! K+
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** NOTE: The information contained in any of my posts relating to slot machine ownership and use is information that I have gathered from publicly known sources correspondingly under the same protections of Free Speech governed under the Laws of the United States and Canada and is for informational use only. As is my Constitutional Right under United States and Canadian Laws the redistribution of said information is considered a form of free speech. Using this information in the United States or Canada to conduct illegal gambling in states/provinces where it is unlawful has been declared against the law in those states/jurisdictions and as such I do not advocate the illegal use of such information under both the United States and Canadian Laws. All references and examples of personal experiences are hypothetical in nature, and it is up to you to determine if the information presented is applicable to your situation or not**
dogwrangler
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« Reply #2 on: October 08, 2009, 02:31:51 AM »
Great catch!  Sounds like the battery pack was intermittent with those loose wires.  Did you happen to probe the voltage on the board, and if so, did you see anything strange before the repair job?

Do the batteries power the ram all the time, or are they just back up for when the plug is pulled?

Cheers,
-Greg
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Yoeddy1
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« Reply #3 on: October 08, 2009, 02:47:17 AM »
Quote from: dogwrangler on October 08, 2009, 02:31:51 AM
Great catch!  Sounds like the battery pack was intermittent with those loose wires.  Did you happen to probe the voltage on the board, and if so, did you see anything strange before the repair job?

Do the batteries power the ram all the time, or are they just back up for when the plug is pulled?

Cheers,
-Greg

I wish I knew how to use a volt meter.  I don't own one and don't even know what or how to check anything even if I had one.  From what I've learned from the veterans out here, my understanding is that the batteries get hit the hardest when the machine is off to keep the memory in tact.  When it's powered on, I'm not sure how hard the batteries are hit, but I think it's less compared to when the machine is off.  Perhaps I'm wrong.  Maybe someone else will chime in.
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dogwrangler
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« Reply #4 on: October 08, 2009, 02:57:06 AM »
Radio shack has a decent one for $19.95.  (Model: 22-810)  I bet you would find it fairly easy to use, and possibly interesting if you like tinkering.

Cheers,
-Greg
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stayouttadabunker
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« Reply #5 on: October 08, 2009, 12:22:20 PM »
I'm glad you got your machine back on track...but let me ask you a question.
Are you using Lithium batteries in the pack?
They need to be 3.6V total and have a capacity of at least 1.2Ah...   (Ah = Amps per hour)
I'm thinking the pack is too large for the trickle charging system on the MPU.
You are also right about the battery being "engaged" when
the household power plug is pulled out or when the power switch.
The MPU takes cares of the RAM memory while the main power is on and
trickles power to the lithium battery instead.
What I don't know is if the trickle is turned off on the MPU when the battery fully charged or not.
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Yoeddy1
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« Reply #6 on: October 08, 2009, 01:43:11 PM »
I'm just using regular Duracell batteries.  Should I be using rechargeable AA batteries in this type of battery pack? 
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stayouttadabunker
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« Reply #7 on: October 08, 2009, 02:11:28 PM »
yes Yoeddy1...
Duracell's are NOT rechargeables...
unless you are USING the rechargeable ones...
but make sure they are lithium batteries okay?
Using the wrong chemical makeup uh,....explodes!
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Yoeddy1
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« Reply #8 on: October 08, 2009, 03:22:47 PM »
The reason I asked about the batteries was because of this thread:

http://newlifegames.net/nlg/index.php?topic=148.msg663#msg663
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Jim
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« Reply #9 on: October 08, 2009, 03:26:13 PM »
before someone does something stupid!!!!!     Lithium Batteries are NOT NOT NOT NOT rechargeable.( the one that is used in the S+ ) that is why they go out so often.  They have a life expectancy of 5 to 15 years.  If you have any concerns about the type you are using then put the original type  back in and wait for 5years and do it again.  Don't  try to reinvent the wheel!

Jim
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stayouttadabunker
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« Reply #10 on: October 08, 2009, 04:04:46 PM »
oh...umm, okay...I didn't know that lithiums were not rechargeable...
Thanks for letting us know Jim!
A group of us bought a whole boatload of lithiums batteries (3.6V, lithium, 1.2Ah)
Are we using the correct batteries for our S+'s?
I know mine have lasted at least 8 years in a particular S+ in which I have never changed the battery so far.
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Yoeddy1
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« Reply #11 on: October 08, 2009, 04:35:47 PM »
So are there lithium non-rechargeable AA batteries?
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« Reply #12 on: October 08, 2009, 04:37:10 PM »
Mark  yes you are using the right ones     google Tadiran.com        they are the people that make the purple battery that is pictured in reply# 6 of this thread.



Jim
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« Reply #13 on: October 08, 2009, 06:51:03 PM »
The S+ does not recharge batteries, I don't think any slot platform recharges the backup battery (at least none that I've seen).  The batteries as Jim pointed out,  are used while the power is off.  When it's on, the battery is not drained.  If you want to make your life easier, the next time you get an error 12, you can do this easy mod and you'll never have to solder again.

http://newlifegames.net/nlg/index.php?topic=119.0
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Yoeddy1
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« Reply #14 on: October 08, 2009, 09:01:57 PM »
Ok, so Energizer makes a standard lithium (non-rechargeable) AA battery that supposedly lasts 8x longer than a standard AA.  Spendy though, but these should be ok right?
« Last Edit: October 08, 2009, 11:05:21 PM by Yoeddy1 » Logged

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dogwrangler
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« Reply #15 on: October 08, 2009, 09:18:29 PM »
If the error happened while the machine was on, then the batteries should not have been the issue, since the chassis power supply would be powering the ram.  Since an error occurred while the hopper was running, I would suspect the vibration aggravated a cold solder joint.

As for which batteries, you just want to match the original voltage (and something that doesn't leak).
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Kevin
« Reply #16 on: October 08, 2009, 10:00:38 PM »
Quote from: dogwrangler on October 08, 2009, 09:18:29 PM
If the error happened while the machine was on, then the batteries should not have been the issue, since the chassis power supply would be powering the ram.  Since an error occurred while the hopper was running, I would suspect the vibration aggravated a cold solder joint.

...like the solder joint of the wires from the battery pack to the board.  If the wire became disconnected (or if he removed a battery), I would suspect he'd get an error 12 as the machine would detect a low battery, even if the batteries weren't being used at that moment to keep the memory.
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« Reply #17 on: October 08, 2009, 10:23:12 PM »
Quote from: rickhunter on October 08, 2009, 06:51:03 PM
The S+ does not recharge batteries, I don't think any slot platform recharges the backup battery (at least none that I've seen).  The batteries as Jim pointed out,  are used while the power is off.  When it's on, the battery is not drained.  If you want to make your life easier, the next time you get an error 12, you can do this easy mod and you'll never have to solder again.

http://newlifegames.net/nlg/index.php?topic=119.0


The Universal slots (8116, 8800, 94000) use a rechargable NiCad battery. Not sure if it receives a trickle charge. They seem to last forever but begin leaking acid with age. Best to replace them every five years.
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Yoeddy1
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« Reply #18 on: October 08, 2009, 11:06:54 PM »
Quote from: Yoeddy1 on October 08, 2009, 09:01:57 PM
Ok, so Energizer makes a standard lithium (non-rechargeable) AA battery that supposedly lasts 8x longer than a standard AA.  Spendy though, but these should be ok right?

Oops...I added the word lithium to the post above.  Testing them now.  So far so good.
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« Reply #19 on: October 08, 2009, 11:12:05 PM »
Great yoeddy1 !
By the way, I really like rick hunter's battery mod...I think it's cool! yes
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« Reply #20 on: October 09, 2009, 01:22:04 AM »
Quote from: uniman on October 08, 2009, 10:23:12 PM

The Universal slots (8116, 8800, 94000) use a rechargable NiCad battery. Not sure if it receives a trickle charge. They seem to last forever but begin leaking acid with age. Best to replace them every five years.

You know, the more I learn about Uni's the more I think a lot more thought went into their design, makes you wonder why Uni's didn't take hold to the same extent that IGT did.
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« Reply #21 on: October 09, 2009, 07:26:56 AM »
IGT had a bigger legal department.  Big enough to cause problems for Universal, from what I understand.
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« Reply #22 on: October 15, 2009, 03:51:20 AM »
Ok...the 12's are coming back on occasion.  It's not related to hopper vibration because sometimes it will bomb out even in credit mode.  I pulled the game chip and memory chip and reseated.  I get the 61 at power up, hold down the test button, and all is well for a while then at random a 12 comes up.  Could it be the molex on the main board?  I'm about ready to just live with it.  I can't think of anything else.
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Yoeddy1
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« Reply #23 on: October 16, 2009, 12:35:46 AM »
I tried cleaning the molex pins and it didn't change.  I'm thinking of scrapping the battery pack and picking up a 3.6v battery and soldering it onto the board.  Other than trying this, I can't think of anything else.  Anyone?
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« Reply #24 on: October 16, 2009, 01:51:40 AM »
That's what I would do, however others have faired well with battery packs.

W
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