WS500 User Installation and Programming Questions

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CAN failures with REC ABMS
1/13/26, 7:08 PM • Kevin 1/16/26, 9:11 PM

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Ben
1/16/26, 9:11 PM

@Kevin voltage sense not connected it will not work. This is not a fault in the firmware. As my...
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WS500-PRO / REC Active BMS - "OUTPUT" not displaying on Victron Cerbo GX
4/9/25, 1:54 PM • Ryan 6/23/25, 10:56 AM

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Manuel
6/23/25, 10:56 AM

my daughter's MB Sprinter van has the non pro WS500 and I want to see the alternator output displ...
REC Q BMS Cerbo GX wakespeed WS-500, REC-BMS, and Cerbo - DC only system, how to remove inverter icons?
5/16/25, 12:09 PM • Bill C. 5/29/25, 2:44 PM

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Peter
5/29/25, 2:44 PM

You can not remove this, Victron systems are nearly all built aroubd ac/dc conversion. Perhaps on...
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REC wakespeed active Anyone with definitive answers on programming Wakespeed with Rec Active BMS
9/6/24, 3:55 PM • W 5/16/25, 12:04 PM

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Bill C.
5/16/25, 12:04 PM

The WS-500 2.6.1-January f/w seems to be the ticket
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WS500 V1.0 Field output driver failed
5/6/25, 7:17 AM • Trond 5/8/25, 12:56 PM

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Trond
5/8/25, 12:56 PM

Turned out to be component U5 (IRS21867), Gate Driver. $2 fix, now it works again.
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External control cuts in and out
5/2/25, 10:24 AM • Ryan 5/6/25, 8:17 AM

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Rick
5/6/25, 8:17 AM

sorry, I havent seen this one
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REC CAN Cerbo GX WS-500 constantly regulates up and down.
6/4/24, 8:35 AM • Jonny 4/18/25, 2:56 PM

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Bill C.
4/18/25, 2:56 PM

This is good feedback. Thanks! I will login and see if the fast ramp is/is not disabled.
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no Tacho even with forced tachomode
4/1/25, 4:27 AM • Andre 4/1/25, 8:33 AM

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Andre
4/1/25, 8:33 AM
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WS500-PRO & REC Active BMS config.json
3/2/25, 3:13 PM • o-firstname 3/5/25, 6:06 PM

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o-firstname
3/5/25, 6:06 PM

The issue was the WS500 pro shipped with bad firmware. Version 2.6.0 is bad, needed to get in tou...
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NMEA data lost on latest firmware (2.5.1). Request for link to 2.5.0 to downgrade.
1/19/24, 1:47 PM • Giorgio 5/16/24, 7:50 PM

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Giorgio
5/16/24, 7:50 PM

@William In the end I was able to have 2.5.1 working well, as I mentioned in the previous post, n...
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Will the WS500 work with a Niehoff N1246 Brushless alternator?
2/20/21, 7:55 AM • Richard 3/5/24, 12:57 PM

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Rick
3/5/24, 12:57 PM

Mark, Your WS500's will work fine but a 12V alternator will usually put out 15V max.&nbs...
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WS500 Causing Alternator to Pulse
2/5/24, 12:43 PM • Mattyroo 2/16/24, 2:48 AM

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Peter
2/16/24, 2:48 AM

This subject was raised on another forum also where the OP stated "I found the issue... It was b...
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Wakespeed not receiving Battery Current from Victron
2/10/24, 10:20 AM • Scott 2/10/24, 12:41 PM

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Scott
2/10/24, 12:41 PM

OK, I solved my problem. There was a setting in the Cerbo GX that enabled the sending of NMEA200...
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Field instantly and always at 100%
12/15/23, 4:33 PM • Ryan 12/24/23, 12:29 AM

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Ben
12/24/23, 12:29 AM

@Ryan I installed many V1 board. Nothing changed on pin layout with newer versions. Did you chec...
Wakespeed 201: Advanced Alternator Regulator Training Seminar for the WS500 just posted to Wakespeed YouTube channel
12/23/23, 2:28 PM • Bill C. 12/23/23, 2:28 PM

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Bill C.
12/23/23, 2:28 PM

Wakespeed just published the videos from the second day of Al Thomason conducting a workshop at t...
New, simple install throwing Error 13 and Error 43 codes
9/26/23, 4:11 AM • Bill C. 12/23/23, 2:24 PM

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Bill C.
12/23/23, 2:24 PM

A quick update. After replacing the aging AGM batteries with my new battery made from CALB 230 ce...
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Can the Wakespeed be changed to handle a 5v intiate signal?
12/13/23, 8:29 PM • Jim 12/15/23, 8:29 PM

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Ben
12/15/23, 8:29 PM

Sometimes it is quicker to install one new wire from the key, instead off finding the correct wir...
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Marine Twin Engine house battery charging
8/19/23, 1:21 PM • Scott 8/22/23, 4:58 PM

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Scott
8/22/23, 4:58 PM

Ok, thanks for the feedback. I like the Idea of connecting the Wakespeed up to the Altenato...
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What size fuse for the Feature In Port wire?
8/4/23, 9:23 PM • Joe 8/5/23, 8:28 AM

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Rick
8/5/23, 8:28 AM

Good question. This is just a milliamp input toggling a bit on the internal chip so a 0.5-1...
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Alternator Warm - Wire #7 send 3.5 Amps!!??
6/18/23, 9:34 PM • Jeff 6/19/23, 2:32 AM

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Ben
6/19/23, 2:32 AM

Stopped the LED flashing when the brown is disconnected? If LED stopped flashing, then IAm afrai...
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Splicing New WS500 Harness
6/8/23, 1:12 PM • John 6/9/23, 1:21 AM

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Ben
6/9/23, 1:21 AM

If your batteries have No CAN, it is usefull to connect the 2 shunt wires to the shunt at the bat...
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P VAN Opt-2 Harness
6/5/23, 5:53 PM • John 6/6/23, 11:48 PM

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Ben
6/6/23, 11:48 PM

I was focused on your question about the wiring harness.But assume that that all is correct.Pro...
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WS500 T-105 settings with Cerbo and MPPT
5/19/23, 9:51 AM • Rick 5/21/23, 6:54 PM

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Stefano
5/21/23, 6:54 PM

Thanks Rick. This is very helpful. Apparently there are two issues. The dual source of charge and...
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Pinout for the 770680-4 connector...
4/19/23, 12:40 PM • D. Ryan 4/24/23, 11:33 AM

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D. Ryan
4/24/23, 11:33 AM

@Trond This is exactly what I was looking for! Thanks so very much!
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WS500 Not Keeping Battery Topped Off
3/15/23, 9:16 AM • Brent 3/17/23, 7:36 PM

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Brent
3/17/23, 7:36 PM

@Michael Thanks Michael. I am a little gunshy due to probems with the system over the last s...
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WS 500 + Dedicated Shunt + Cerbo + REC-Q = 2x DC Power Reported
3/10/23, 9:39 AM • Nathaniel 3/16/23, 6:33 PM

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Al
3/16/23, 6:33 PM

Hello. (Disclamer: Al of Wakespeed). I am not an expert here, but I think you might ...
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WS-REC-Cerbo slave issues?
3/2/23, 6:31 AM • Jonny 3/16/23, 11:36 AM

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Richard
3/16/23, 11:36 AM

Guys, after talking with Al, he confirmed that the WS500 does not integrate with CVCC yet. Fro...
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Firmware update and NMEA data.
1/12/23, 9:58 AM • Giorgio 2/24/23, 9:01 PM

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Giorgio
2/24/23, 9:01 PM

Thanks, I divided the alternator rpm by the engine rpm and added that as the drive ratio value, s...
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Fuse blowing in Alternator Positive
2/16/23, 12:22 AM • Jamieson 2/17/23, 5:44 AM

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Ben
2/17/23, 5:44 AM

Warranty is 2 years. Best to contact Rick by email. Iam ws500 dealer in Asia. Iam not sure ho...
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DFK linking
2/2/23, 5:40 PM • Chen 2/2/23, 6:31 PM

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Richard
2/2/23, 6:31 PM

Not sure exactly what you are looking for but Al put together a pretty detailed setup and communi...
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WS500 and Cerbo GX - getting data from Cerbo GX via NMEA2000
1/20/23, 1:05 PM • Peter 1/21/23, 9:53 AM

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Peter
1/21/23, 9:53 AM

I should also have noted that this is on a large AGM battery bank so no BMS involvement.
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Config file syntax
1/1/23, 10:54 AM • Steven 1/4/23, 8:01 AM

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Steven
1/4/23, 8:01 AM

Rick, You rock! Thanks! Stefano
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WS500, Victron VE.Bus BMS V2
12/22/22, 8:15 AM • Ross 1/1/23, 11:05 AM

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Trond
1/1/23, 11:05 AM

Ben is right, you will not get the VE.bus BMS V2 to sync to the WS500, as it does not send CAN bu...
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Wakespeed regulators not driving
10/20/22, 4:47 AM • gregory 10/29/22, 11:01 AM

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gregory
10/29/22, 11:01 AM

Yep, poles+12 and pully ratio is at least close. So I dont know if the reported engine RPM of 55 ...
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Engine RPM reporting
10/29/22, 8:41 AM • gregory 10/29/22, 8:41 AM

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gregory
10/29/22, 8:41 AM

Is engine RPM as reported in AST equal to actual RPM or in 10\'s? I finally have Tach working but...
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WS500 bench test
10/20/22, 6:44 PM • Adam 10/28/22, 5:22 PM

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Adam
10/28/22, 5:22 PM

Update: Well, the documentation seems a little misleading here. The cables with label: (10...
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WS500 48V renogy lifepo4 derate or amp cap
9/20/22, 6:18 PM • BrandonAVL 9/22/22, 5:17 AM

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Richard
9/22/22, 5:17 AM

as I recall that just limits the field output. Check out the BMS capacity rating setpoint from p...
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Float voltage not consistent
9/19/22, 7:10 AM • gregory 9/21/22, 5:31 AM

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gregory
9/21/22, 5:31 AM

Thanks Ben, I am pretty close to those settings; CPA I am using 420 minutes and 3A for exit A ...
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Achieving true 100%SOC
8/29/22, 2:07 AM • gregory 9/5/22, 11:14 AM

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gregory
9/5/22, 11:14 AM

100% SOC progress With latest config was able to see ACC to Float at 5A. Very close to target....
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WS500 Charge lamp output
8/28/22, 10:36 AM • Thomas 8/29/22, 11:36 AM

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Thomas
8/29/22, 11:36 AM

Thanks for your quick replies. Using the Oil pressure sensor is not an option because a real fai...

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WS500 User Installation and Programming Questions

Latest posts

CAN failures with REC ABMS

CAN failures with REC ABMS

CAN failures with REC ABMS

CAN failures with REC ABMS

CAN failures with REC ABMS