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01-11-2023, 08:23 AM
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#1
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Member
Join Date: May 2020
Posts: 46
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Precision Li-BIM 225 Stays Latched?
Good morning, everyone. I'm having an issue with a Precision Circuits Li-BIM and I've chatted with their tech support several times, but the issue keeps coming back.
BLUF: After initial installation, BIM operates as designed. After an extended period (several weeks-months of frequent use), the BIM will remain latched until I operate the momentary switch to the "SIG" terminal. Previously, it would resolve itself for a period. However, now it returns to the latched position (bridging the coach and chassis batteries) within 5 seconds of releasing the momentary switch.
This is the second unit that I'm on, as Precision replaced my original one.
Details:
2019 Fleetwood Discovery
Initially installed: June 2022
First issue identified: October 2022 (replaced shortly after)
Issue returned (with new unit): January 2022
Thanks!
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01-11-2023, 08:49 AM
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#2
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Member
Join Date: Jul 2022
Posts: 74
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Hello
How did you determine that it was staying latched? I was thinking that mine was also, and it was on the things to check this winter. Reason was on the last Boondocking trip I noticed that the chassis and house batteries after two days were the same voltage. I do not remember what it was, but it was low enough for me to start the generator for fear that the chassis engine might not start, because of a low battery.
__________________
2021 Verona 36 VSB
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01-11-2023, 08:52 AM
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#3
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Member
Join Date: May 2020
Posts: 46
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Quote:
Originally Posted by BrewskiRanch
Hello
How did you determine that it was staying latched? I was thinking that mine was also, and it was on the things to check this winter. Reason was on the last Boondocking trip I noticed that the chassis and house batteries after two days were the same voltage. I do not remember what it was, but it was low enough for me to start the generator for fear that the chassis engine might not start, because of a low battery.
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I noticed while reviewing the history on my Victron smart shunt. Then, I verified with a multimeter.
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02-06-2023, 08:20 PM
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#4
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Member
Join Date: May 2020
Posts: 46
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To the top. Anyone else have a similar experience or any suggestions? I'm waiting to hear back from Battleborn (where I purchased it from). I'll also reach out again to Precision.
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02-07-2023, 11:55 AM
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#5
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Senior Member
Entegra Owners Club
Join Date: Jun 2004
Location: Bayfield, Ontario
Posts: 5,466
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Quote:
Originally Posted by JeromeS13
To the top. Anyone else have a similar experience or any suggestions? I'm waiting to hear back from Battleborn (where I purchased it from). I'll also reach out again to Precision.
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Yes I have the same issue. Have not done any troubleshooting yet but it is on the horizon.
__________________
Don & Gerri
2014 Entegra Anthem 44B
2014 Honda CRV Touring
1300W Solar, 1200AH LiFePO4 FMCA F443497
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02-07-2023, 12:54 PM
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#6
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Member
Join Date: May 2020
Posts: 46
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Quote:
Originally Posted by 757driver
Yes I have the same issue. Have not done any troubleshooting yet but it is on the horizon.
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I just got a reply back from Precision. They're getting with their engineering team to look into the issue. I'll let you know what they come back with.
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02-08-2023, 06:22 AM
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#7
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Member
Join Date: Jul 2022
Posts: 74
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Hello
I think I am also having the same problem. On the last trip the chassis and house batteries were always the same voltage. I need to do some more checking, but I believe the Li-BIM 225 may be the problem.
__________________
2021 Verona 36 VSB
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02-09-2023, 10:55 AM
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#8
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Member
Join Date: May 2020
Posts: 46
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Quote:
Originally Posted by 757driver
Yes I have the same issue. Have not done any troubleshooting yet but it is on the horizon.
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Quote:
Originally Posted by BrewskiRanch
Hello
I think I am also having the same problem. On the last trip the chassis and house batteries were always the same voltage. I need to do some more checking, but I believe the Li-BIM 225 may be the problem.
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What batteries and inverter are you two running?
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02-09-2023, 11:37 AM
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#9
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Senior Member
Entegra Owners Club
Join Date: Jun 2004
Location: Bayfield, Ontario
Posts: 5,466
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Quote:
Originally Posted by JeromeS13
What batteries and inverter are you two running?
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LifeBlue lithium and Magnum inverters.
__________________
Don & Gerri
2014 Entegra Anthem 44B
2014 Honda CRV Touring
1300W Solar, 1200AH LiFePO4 FMCA F443497
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02-10-2023, 05:12 AM
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#10
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Senior Member
Join Date: Jul 2010
Location: FT on the Road
Posts: 3,839
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Quote:
Originally Posted by JeromeS13
Good morning, everyone. I'm having an issue with a Precision Circuits Li-BIM and I've chatted with their tech support several times, but the issue keeps coming back.
BLUF: After initial installation, BIM operates as designed. After an extended period (several weeks-months of frequent use), the BIM will remain latched until I operate the momentary switch to the "SIG" terminal. Previously, it would resolve itself for a period. However, now it returns to the latched position (bridging the coach and chassis batteries) within 5 seconds of releasing the momentary switch.
This is the second unit that I'm on, as Precision replaced my original one.
Details:
2019 Fleetwood Discovery
Initially installed: June 2022
First issue identified: October 2022 (replaced shortly after)
Issue returned (with new unit): January 2022
Thanks!
|
Curious how you wired it with the presence of the BCC? Did you remove the alternator wires from the BCC and bypass it?
Any chance for a wiring schematic.
I have a Bounder and considering installing a BIM but there are a couple considerations that question it's functionality and useful ness.
__________________
I don't subscribe to threads I reply to so will not see your reply to my comment. Drop me a direct message if you want a reply from me.
Cheers!
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02-10-2023, 05:28 AM
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#11
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Member
Join Date: Jul 2022
Posts: 74
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I am using the original setup from Renegade, which is Battle Born batteries and a Magnum inverter. Only thing I have done is add 6 more 100 ah batteries.
I would sure like to get a wiring diagram!
__________________
2021 Verona 36 VSB
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02-10-2023, 06:11 AM
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#12
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Member
Join Date: May 2020
Posts: 46
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Quote:
Originally Posted by computerguy
Curious how you wired it with the presence of the BCC? Did you remove the alternator wires from the BCC and bypass it?
Any chance for a wiring schematic.
I have a Bounder and considering installing a BIM but there are a couple considerations that question it's functionality and useful ness.
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I basically just installed it in place of the factory charging relay, with a few alterations. I did not use the factory signal wires. As I recall, it was a variable + or -, I do not recall which. Here are the changes to the signal wires:
IGN: switched 12v+ from BCC
GND: New chassis ground
SIG: momentary 12v+ from dash switch
Here's an updated diagram for my coach.
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02-10-2023, 06:13 AM
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#13
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Member
Join Date: May 2020
Posts: 46
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Quote:
Originally Posted by BrewskiRanch
I am using the original setup from Renegade, which is Battle Born batteries and a Magnum inverter. Only thing I have done is add 6 more 100 ah batteries.
I would sure like to get a wiring diagram!
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Have you contacted Renegade? I believe they're part of REV Group. They've been really responsive to my requests and I have practically every drawing/diagram for my coach.
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02-10-2023, 03:26 PM
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#14
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Senior Member
Join Date: Jul 2010
Location: FT on the Road
Posts: 3,839
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Quote:
Originally Posted by JeromeS13
I basically just installed it in place of the factory charging relay, with a few alterations. I did not use the factory signal wires. As I recall, it was a variable + or -, I do not recall which. Here are the changes to the signal wires:
IGN: switched 12v+ from BCC
GND: New chassis ground
SIG: momentary 12v+ from dash switch
Here's an updated diagram for my coach.
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Ah, thanks for that info. There is a difference than the Bounder (gas). My solenoids are internal to the BCC. Looks like yours (diesel) are external.
__________________
I don't subscribe to threads I reply to so will not see your reply to my comment. Drop me a direct message if you want a reply from me.
Cheers!
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