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#33576 - 08/04/22 06:06 AM Monarch Nice 3000 MCB Replacement  
Joined: Mar 2018
Posts: 13
Timothy A. Jones Offline
stranger
Timothy A. Jones  Offline
stranger

Joined: Mar 2018
Posts: 13
Trinidad and Tobago
Hope all is well.

I am currently troubleshooting a Larsson Lift and the MCB print when it was changed after a power surge which the unit experienced isn't showing X1 to X24 input even though the NO or NC function are set correctly as commissioning document states.

Can anyone share some insight in why none of the X1 to X24 input are not lighting even though X25, X26 and X27 are lighting.

Note, I'm of the idea maybe the board is damaged or maybe I'm overlooking something.

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#33581 - 08/04/22 03:40 PM Re: Monarch Nice 3000 MCB Replacement [Re: Timothy A. Jones]  
Joined: Aug 2017
Posts: 24
baks1519 Offline
stranger
baks1519  Offline
stranger

Joined: Aug 2017
Posts: 24
see power supply

#33591 - 08/04/22 10:22 PM Re: Monarch Nice 3000 MCB Replacement [Re: baks1519]  
Joined: Mar 2018
Posts: 13
Timothy A. Jones Offline
stranger
Timothy A. Jones  Offline
stranger

Joined: Mar 2018
Posts: 13
Trinidad and Tobago
I will do so and give you feedback on my findings.

#33600 - 08/05/22 03:41 PM Re: Monarch Nice 3000 MCB Replacement [Re: Timothy A. Jones]  
Joined: Apr 2014
Posts: 259
heisenberg Offline
Engineer
heisenberg  Offline
Engineer

Joined: Apr 2014
Posts: 259
Yep check the 24vdc power supply is working

#33636 - 08/10/22 12:44 AM Re: Monarch Nice 3000 MCB Replacement [Re: Timothy A. Jones]  
Joined: Mar 2018
Posts: 13
Timothy A. Jones Offline
stranger
Timothy A. Jones  Offline
stranger

Joined: Mar 2018
Posts: 13
Trinidad and Tobago
I got the 24VDC working. Thanks


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