Repairs Toro SS3200 - Something Funny Going On With Brake Actuator

[WeekendWarrior]

I have a 2011 or 2012 Toro SS3200 zero-turn mower. Out of the blue, something happened and I can't figure out what's going on.

First, the battery was dead after I had used the mower a week before, when the battery seemed to be fine. After charging the battery, the mower started just fine. However, when I engaged the motion control levers, the mower wouldn't budge and seemed to power out. I did some research, and figured out that the electric brake was on. Then, strangely, when I turned off the ignition key, the mower kept running. I got up off the seat and pulled the control lever in and the engine stopped.

I manually reset the brake link arms connected to the electric brake actuator module. I started the mower again, and again when I engaged the control levers, the mower wouldn't budge and powered out. I checked the brake link arms and they had reset again to the "brake" position. Again, the ignition switch wouldn't shut off the engine.

I pulled the panel off with the ignition switch, checked the fuses (they were good), and pulled the switch. I checked the switch's continuity per the online service manual, and all the continuity checks were good. The seat switch works.

I since replaced the battery and that didn't solve anything (that was probably a waste of money).

I'm stumped. Is it the brake actuator module? Is there a short somewhere that drained the battery and is causing the other problems?

I hope someone with experience on the SS Toro zero-turns has some tips for me. I'd like to fix it myself and I hate to just throw parts at it. Thanks in advance for any advice!

 

[bertsmobile1]

When you replaced the battery you most likely disconnected the cut out to the coils. Won't stop
Go to the coils and trace the wire back.
Also a chance you have accidentally olpened up the bypass valves to the drives (wont go)

 

[ILENGINE]

Start checking electrical connectors. Sound like either one has come loose, or corroded. Also you may have invited my favorite critter to dinner. A mouse has chewed the wires and created a short/ intermittent contact situation.

Nothing like having a mower that won't move if the battery is dead. Trying to load this thing on a trailer for service with a dead battery is a pain.

 

[Brucebotti]

I have a 2011 or 2012 Toro SS3200 zero-turn mower. Out of the blue, something happened and I can't figure out what's going on.

First, the battery was dead after I had used the mower a week before, when the battery seemed to be fine. After charging the battery, the mower started just fine. However, when I engaged the motion control levers, the mower wouldn't budge and seemed to power out. I did some research, and figured out that the electric brake was on. Then, strangely, when I turned off the ignition key, the mower kept running. I got up off the seat and pulled the control lever in and the engine stopped.

I manually reset the brake link arms connected to the electric brake actuator module. I started the mower again, and again when I engaged the control levers, the mower wouldn't budge and powered out. I checked the brake link arms and they had reset again to the "brake" position. Again, the ignition switch wouldn't shut off the engine.

I pulled the panel off with the ignition switch, checked the fuses (they were good), and pulled the switch. I checked the switch's continuity per the online service manual, and all the continuity checks were good. The seat switch works.

I since replaced the battery and that didn't solve anything (that was probably a waste of money).

I'm stumped. Is it the brake actuator module? Is there a short somewhere that drained the battery and is causing the other problems?

I hope someone with experience on the SS Toro zero-turns has some tips for me. I'd like to fix it myself and I hate to just throw parts at it. Thanks in advance for any advice!

Hi,
I don't have much hands-on experience with the problem you are having, but this manual does show some diagnostics that you can try. I have posted this manual earlier and it is very helpful. Hope this helps!
Bruce
http://www.homedepot.com/catalog/pd...b001rw&cm_mmc=CJ-_-6154825-_-11210757&cj=true