I need a Rain Bird manula for ESP Modular Controller. I don't want to download it. I want it in a manual for my rental.

https://ww3.rainbird.com/homeowner/support/timers/ESP-RZX.htm

Rain Bird ESP RZX Series Sprinkler Timers User Manuals Instructions

Make sure that the transformer is supplying the 26 volts ac required by the pump relay and zone solenoids. If the voltage is there and unit still will not operate then the electronics are to blame.

Are you sure of the model? They don't show it here: http://rainbird.com/homeowner/support/timers.htm

I don't feel you can repair system by yourself. Excuse me if you can; so do it.
You should take it to an authorized Rain Bird repair service. Look for it on some listing they might have given you when you bought your stuff or contact them from here:

http://www.rainbird.com/corporate/contact.htm

Check to see if all screws holding wires in are snug

Go to this rainbird instruction post and it may help you.

https://ww3.rainbird.com/homeowner/support/rotoradjustment.htm

Check this instruction site for repair help.
https://ww3.rainbird.com/homeowner/support/rotoradjustment.htm

Here is a post of operating instructions.

https://ww3.rainbird.com/homeowner/support/rotoradjustment.htm

Check to see if the wiring is crossed.

You need to replace your controller.