PR off not responding
Control not responding
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This is a standard irrigation system control box used for residential homes. It can manage a maximum of six valves.
Hi @jlhcc ,
Try disconnecting the power and the back up battery, then press and hold the manual start / advance button for about 10 seconds to dissipate any residual power in the controller.
Reconnect the power again to see if this has reset the controller.
Try manually running each station one at a time for about 10 minutes and check if the fuse blows.
If it does and if it only always blows when using the same station then it may be that the station is faulty or the solenoid valve for that station may have a problem e.g. gets wet etc and shorts out.
You could then try swapping the station wires on the controller to prove whether the problem is with the solenoid (the problem will move with the solenoid to the new station position) or whether it is with the station position in the controller.
Keep it simple. If unplugging the power supply and removing and then putting back the LCD backup batter doesn’t work, next step would be to replace the fuse. If you’re lucky, there will be a back up fuse waiting for you in the panel you removed to access that area. If not, pop the fuse out and take it to a hardware store to get a new one. Worked for me.
I got lucky. Mine just needed resetting. I removed the battery and plug. After about 30 mins, I put the battery back and plugged it back in. The PR OFF was gone and was able to reprogram the system again.
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