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22sprinklerman

Active Member

Posts: 7

Location: USA

1

Wednesday, June 6th 2007, 6:15pm

Err Zone 3

I recently came across a WM Weathermate 12 zone ID Control (weathermatic) control with Err Zone 3 on the screen only that the zone was working ok. Does any one know why that is? zone turns on and shuts off properly.

Wet_Boots

Supreme Member

Posts: 4,056

Location: Metro NYC

2

Thursday, June 7th 2007, 4:06am

Download a manual from Weathermatic and read it.

Wet_Boots

Supreme Member

Posts: 4,056

Location: Metro NYC

3

Thursday, June 7th 2007, 12:05pm

What were the results of your measurements of solenoid resistance and/or current draw for the zone in question?

22sprinklerman

Active Member

Posts: 7

Location: USA

4

Thursday, June 7th 2007, 3:44pm

I read the manual and i counldnt find an answer that i was satisfied with thus my simple question

Wet_Boots

Supreme Member

Posts: 4,056

Location: Metro NYC

5

Thursday, June 7th 2007, 4:35pm

You may have a marginal solenoid, drawing too much current, or maybe a slight short circuit. Take electrical measurements.

22sprinklerman

Active Member

Posts: 7

Location: USA

6

Friday, June 8th 2007, 3:18pm

thank you very much. That answer was what i was looking for.

Wet_Boots

Supreme Member

Posts: 4,056

Location: Metro NYC

7

Friday, June 8th 2007, 6:22pm

One useful tool for dealing with the marginal and intermittent electrical faults is a clamp-around ammeter. Only a very few models were useful at solenoid-level currents, though. Probably something that a modern digital version could deal with.

Before the advent of error codes on solid-state controllers, it sometimes took a current reading to catch a flawed solenoid.

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