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#32435 - 01/28/22 02:57 AM Smartrise "Redun. LRM" ERROR  
Joined: Dec 2021
Posts: 13
ASME17 Offline
Delaware
ASME17  Offline
Delaware

Joined: Dec 2021
Posts: 13
I am getting "Redun. LRM" error in a Smartrise C4 controller. Does anyone know how to fix that?
Checked the C4 manual but couldn't find it there, See the quality of their board in their own manual picture: Smatrise C4 Manual mad

#32437 - 01/28/22 03:21 AM Re: Smartrise "Redun. LRM" ERROR [Re: ASME17]  
Joined: May 2015
Posts: 291
wltr00 Offline
enthusiast
wltr00  Offline
enthusiast

Joined: May 2015
Posts: 291
If the RDC jumper is on the MR SRU, the board is bad and needs to be replaced.

#32444 - 01/29/22 01:52 AM Re: Smartrise "Redun. LRM" ERROR [Re: ASME17]  
Joined: Aug 2017
Posts: 444
EElevator Offline
addict
EElevator  Offline
addict

Joined: Aug 2017
Posts: 444
This is probably one of the most annoying things about smartrise. They act like parameters and fault codes and certain info is a secret. So many times I've gotten a fault and look it up and it's not in the book. If you need a parameter changed you pretty much are going to have to call them. The unintended motion test procedure in their manual wasn't right, I had to figure out where they'd put steps backwards and make notes in the book, they'd messed up the order of holding a contactor and putting on a jumper.

#32451 - 01/30/22 08:29 PM Re: Smartrise "Redun. LRM" ERROR [Re: EElevator]  
Joined: Dec 2015
Posts: 48
liftronic Offline
LA Elevator
liftronic  Offline
LA Elevator

Joined: Dec 2015
Posts: 48
US
LRM is the "Lock Rear Middle" input which is the input for all mid-floor locks of the rear door. Those high-voltage inputs tend to fail a lot and you have to change the board

[img]https://im.ge/i/XwqAeq[/img]

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