222_Hunter pro c faceplate

Common Errors Displayed On a Hunter Pro-C Irrigation Timer

A Hunter Pro-C Irrigation Timer has some common error messages it displays. Here are a few of the errors, the causes and the solutions:

Problem Cause Solution

No display check AC power wiring If there is no power call an electrician
Display reads “ERR” electrical noise interfering Replace cables with shielded cables
Display reads “P ERR” Wire fault to pump start Replace/repair shorted wire
Display reads “NO AC” No power present Check breaker box or call electrician
Display reads “SENSOR OFF” Rain sensor interrupting service Move to BYPASS position

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