How The Electronic Circuit Breaker Works - Irritrol IBOCPlus Guide D'utilisation

Programmateur d'irrigation
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HOW THE ELECTRONIC CIRCUIT
BREAKER WORKS
The controller is equipped with an electronic circuit breaker. If the
controller detects a short or open circuit, the affected station (valve)
will be turned off automatically. The display will then show
information for the station or stations regarding the problem
condition. The controller continues to automatically water the other
stations. Each automatic start will attempt another cycle and retest
the short-circuited valve.
Listed below are the most common conditions which will activate the
electronic circuit breaker.
Condition: The word "Short" displays with one or more station
numbers.
Diagnosis: One or more stations are shorted.
Solution:
Check the wiring of the displayed stations for the cause of
the shorted condition. Repair valve(s) and/or wiring as
needed.
Diagnosis: Overload condition caused by more than one valve
connected to the same station terminal.
Solution:
Ensure only one valve is connected to each station
terminal.Three valves may be operated concurrently, but
they must be on separate stations operating on separate
programs.
Condition: The word "Open" displays with one or more station
numbers.
Diagnosis: An open circuit condition exists at one or more valve
solenoids.
Solution:
Check wiring of the reported station(s) for loose or
broken connections.
Note: If a master valve is not installed, ensure that master valve
operation is disabled. See Master Valve Operation on page 12 for
details.
After correcting the problem, return the controller to normal
operation as follows:
1. Set the dial to the following
2. Press the
–/
OFF
controller to the normal operating mode.
General Information
AUTO RUN
button to clear the display and return the
positions.
5

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