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Program Mode 5 (Reset function)
As of 01-25-13 the EC3 can be used with either the common narrowband O2 sensors or the more advanced wideband sensor systems. Be sure to verify that your wideband sensor outputs in the range of 0 - +5 volts if using a wideband type. To select the type in use, use the power up program mode method below:
To select the O2 sensor type , perform the following steps:
1. Turn the EC3 power off.
2. Select mode 5 with the Mode Select switch
3. Select the O2 sensor type using the Cold Start switch: Up = Wideband, Down = Narrowband
4. Press and hold the Program Store switch.
5. While holding down the Program Store switch, turn on the power switch to the EC3.
6. Keep holding the Program Store switch for about 1 second, and then release it.
7. Return the Mode Select switch to 0.
8. Power the EC3 off. When the EC3 is powered up again it will be set for the O2 sensor type selected.
Uploaded doc to:
https://drive.google.com/drive/folders/1mVzPOxUwcGUlPizxnRF40nUyKBzfT4DC?usp=sharing
PDF version still states that B is automatically programmed when A is programmed. Not true. Use the Word doc.
Finn
On 6/1/2020 9:16 AM, Stephen Izett stephen.izett@gmail.com wrote:
Hi Finn
How does the mode 5 O2 sensor change work.
Ive not found this in the EC3 documentation.
Steve
On 31 May 2020, at 4:08 am, Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
Hi Finn
Thats good news.
At some point I’ll plug the EC3 in and see what the EM3 reports.
We’re finally back in the air and testing again after the last 3 months of responding to COVID here in Perth.
Last mods included some reshaping of inlets and diffusers and tidying up the inlet manifold (grinding smooth some weld that had penetrated into the runners).
Yesterday our Renesis 4 port max fuel flow is up 10% to I think a reasonably accurate 18 gal/hr at 7100rpm, 29.5 inch of MAP and mixture at best power.
We burn our Australian Premium Unleaded with no Ethanol which I believe is 6.26 lb/gal so I’m thinking thats around 190hp.
Cheers
Steve
On 31 May 2020, at 12:58 am, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
Wrong engine code solved!
I looked at the dates of files in the EC3CL folder. These files were not updated to the date I programmed the EC3:
ECCL8.cof
ECCL8.map
ECCL8.O
<mcppihngfoiehjon.png>
So I started from scratch:
Unzipped the EC3CL folder.
Set ENG = A8; LS2COIL, LGSEC and WIDEBAND to 1 and rest to 0.
Did "Erase", "Clean" and "Build All" and "Program" in MPLAB and reinstalled chip for controller A.
Now EM3 correctly shows "A8" for engine code.
Changed to narrow band using mode 5, and EM3 display correctly changed from 16 to 12 for ENGINFO.
I must have chosen the "Make" option in MPLAB when I first programmed the chips, I guess.
Unfortunately I must have damaged the controller B CPU chip when handling it (MPLAB reports device ID = 0) and will have to order a new one.
Finn
Still waiting for the $1.79 shipped copper washers to arrive in mail. Maybe I should bite the bullet and order five (six) Stat-O-Seal washer/O-rings at $8.56 per pack of two. $25.68 total :(
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