One possibility is the common wire (usually white) is broken. That wire is linked from one valve to the next, usually connected with waterproof wire nut. If the connection is lost after the first valve in the chain, #1 would work but the follow valves would not. You didn't mention which valve in the chain comes on, so this is just a stab in the dark. Waterproof wire nuts can be purchased, but regular nuts with silicone packed will work just fine too.