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1

Tuesday, October 16th 2012, 8:13pm

Hunter Wireless Rain Click Issue

I have the above rain sensor. Anytime the switch on the controller (Rain Bird ESP-4M) is in normal, the alarm light illuminates, and the system will not run. If I move the sensor selector to bypass, the alarm light goes out, and the system works. The sensor is registering rain. After a rain, the bypass light illuminates red on the rain click display, and when the sensor dries out the green light illuminates. My question, since I don't have much spare cash to deal with, is the sensor bad, or is it a problem with the controller? My thanks for any advice.

Wet_Boots

Supreme Member

Posts: 3,873

Location: Metro NYC

2

Wednesday, October 17th 2012, 6:54am

It may depend on how the sensor is connected to the controller. Even though your controller has two terminals specifically for connecting a rain sensor, some installers will connect it directly to the common wire, as was done in the old days.

Read up on this in your owners manual.

njchoochoo

Starting Member

3

Wednesday, October 17th 2012, 7:06pm

Thanks Wet Boots. The system worked fine until sometme during this year, possibly at the beginning. I didn't notice a problem until mid season. Nothing was changed from when the original system was installed roughly 6 years ago.

Wet_Boots

Supreme Member

Posts: 3,873

Location: Metro NYC

4

Thursday, October 18th 2012, 9:14am

The Hunter wireless rain sensor is a disposable item, so it is doomed no matter what, since you can't change its battery.

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