PROHC - Controller - Located inside wiring compartment above the 24 VAC terminals
HPC - Controller - Sticker located on the back of the front panel
HCC - Controller - Sticker located on the back of the front panel
To link your controller to your account, please refer to this article Linking a Controller to My
Account [7].
Controller - Blank Display
First, make sure there is power to the controller's outlet. Use a test lamp or any other
110VAC device to determine if there is voltage at the outlet. If there isn’t power, or if you
have a controller that is hard wired, check the circuit breaker at the main breaker box.
Caution: High voltage testing on the transformers primary power side should only be done
by a professional electrician or irrigation contractor.
Checking Transformer Voltage
If you have power at the outlet, the next thing to check is the transformer output. Use a voltmeter to check the
voltage either on the two transformer wires or at the two AC screw terminals on the controller. The transformer
should have an output in the range of 24VAC to 28VAC.
If the wall outlet has 110VAC and the transformer has no voltage output, you need to
replace the transformer.
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