William, I know there was a point that they changed processors, when they did that it made the power assembly, control assembly, and the ac assembly incompatible. I agree with you that it would have been nice that they could have maintained this, but this change was quite some time ago, at least 7-8 years ago. I know for a fact they did stock both sets for a while, way past the normal warranty requirements.
From what I remember the processor change was due to availability, the old processor was no longer manufactured… So to fix this Outback was forced to upgrade the processer. As for the drop mode, I’ve never has much of a use for it… But when mixing firmware revs normally using the most current version is best… this may be something that wasn’t tested as Outback has a lot of software mods. Steve Higgins Technical Services Manager P: +1.902.597.4020 M: +1.206.790.5840 F: +1.902.597.8447 Surrette Battery Company Exclusive manufacturer of [cid:rolls877174] From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of William Miller Sent: Tuesday, February 02, 2016 6:15 PM To: RE-wrenches Subject: [RE-wrenches] Drop mode: who needs it? Friends: I have a customer who was basically victimized by a shady installer (who is no longer in the business). He was sold an undersized system with two VFX3648 inverters and later two FX2548 inverters. One of the 2548s died and it was recommended I install all new boards. I am a bit disappointed that there was no option to try and figure out which board was bad, I had to install all three. I was told the logic board has newer firmware and had to be configured as the master. I did so and we found that there was a glitch: About 5 seconds before an auto-start the AC Use/Drop screen went to Drop mode. The generator started but ran for no benefit. We resolved this by reconfiguring the system so an older VFX inverter was master and resetting all units. I have three questions: 1. Is there any known incompatibilities between versions of logic boards? 2. Is there a way to determine which board is defective and replace only that board? 3. What possible use could the drop mode have and why is it even included in the menu structure? Can’t one just open a circuit breaker and achieve the same effect? Any help is much appreciated, as always. Sincerely, William Miller [Gradient Cap_mini] Lic 773985 millersolar.com<http://www.millersolar.com/> 805-438-5600 This email and its attachments have been scanned by mailWatch E-Mail Firewall for viruses, spam, and malicious content. The information transmitted in this email is intended only for the entity or person to which it is addressed and may contain confidential/privileged material. If you received this in error, please contact the sender and delete the material from any computer. Any review, retransmission, dissemination, or other use of this information by persons or entities other than the intended recipient is strictly prohibited
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