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mrfixit

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Posts: 1,510

Location: USA

1

Friday, April 20th 2012, 9:38pm

Question Via Email

Dear mrfixit,

Mick2012 has sent the following message from SPRINKLER TALK FORUM - You Got Questions, We've Got Answers (http://www.sprinklertalk.com/wbb):

I have a Toro Greenkeeper system with 8 zones 4 arent working, 4 work fine. Where do I start troubleshooting. I would like to give it a shot before paying for professional to fix it...

mrfixit

Moderator

Posts: 1,510

Location: USA

2

Friday, April 20th 2012, 10:51pm

Mick it sounds like maybe the ground wire is bad on the four valves in question. Check at the controller and the valves for a broken wire. It's usually the white wire. Not always but usually.
On the Greenskeeper controller the wire can easilly come loose.

3

Monday, April 23rd 2012, 8:52am

Agree. Common most likely problem.
Unless you have a really strange controller failure.
I would like to know if these are sequential (zones 1-4, 3-6, etc) or if they are all in the same area.
If you switch wires from non-working zones to working zones on the controller, anything change?

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