Lexion 405 stop warning all the time without error

[jackthesoul]

Hello everyone!
My lexion 405 1999' during winter start to make warning noise and show stop signal on dash. I switch off power supply and forgot about it. Now its time to fix it.
First of all I find out that my hydraulics run all the time after start, short investigation show me that signal from chopper (witch I don't have in my combine) send request for oil, temporary blinded diode on DO board, problem seems to be solved but it might be connected with my main issue.
No matter what I do still there is red STOP sign and signal. On cebis screen there is no errors, all systems ok. Any idea what to check next? any week spots?

 

[TripleSix]

@Combine Rescue

 

[lexion780tt]

If there are no errors on cebis chech the brake pads they had waring wires on them they earth out and give you the stop warning

 

[jackthesoul]

would they make warning even when key is off? i will check tomorrow morning.

 

[benny6910]

Circuit board failure possibly in the locker near the door. They can short out and make side lights stop on all the time so maybe possible it could cause your problem aswell

 

[jackthesoul]

Circuit board failure possibly in the locker near the door. They can short out and make side lights stop on all the time so maybe possible it could cause your problem adis

i have disconnected all cables from fuse/relays board and same warning.

brakes checked, they are fine.

i find out that after few minutes of buzzing top led bars start to warming up (not sure English name of those, they appear when you losing your grain at back of combine)
any more ideas?

 

[Boysground]

Circuit board failure possibly in the locker near the door. They can short out and make side lights stop on all the time so maybe possible it could cause your problem aswell

I had to replace one on a 430, hopefully @jackthesoul can find a cheaper solution

Bg

 

[lexion780tt]

Take the buzzer reylay out its one of the large reylays in the middle ish of circuit board will have a look in the book later on and tell you exactly which one

 

[benny6910]

I had to replace one on a 430, hopefully @jackthesoul can find a cheaper solution

Bg

I had a friend have sidelights on all the time it needed a new board. I had a trapped wire in the steering column that set on fire and it damaged the smaller board. Luckily insurance paid out on it.

 

[jackthesoul]

I have disconnected all of large relays and it didn't help. Disconnection all of connectors on back of relay board also didn't fix buzzer.

 

[jackthesoul]

up?

 

[lexion780tt]

Take reylay k57 out and see if buzzing stops

 

[jackthesoul]

It didn't, already checked.

 

[lexion780tt]

Must have a short between the board and the cab will dig out the wiring diagram