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Common conditions of the electronic circuit breaker include:
CONDITION:
CONDITION:.
CONDITION:
Fuse and one or more stations alternately flash.
Cause: Shorted solenoid coil and/or a short in the valve
wires.
Cause: Too many valves are operating at the same time.
No more than three valves (including master valve) should
operate simultaneously.
Fuse displays without any station numbers.
Cause: A transient surge has spiked the line. Press
CLEAR.
Cause: An overload has occurred for too short a dura-
tion for controller to determine the station number. Press
CLEAR. If condition repeats during future cycles,
activate a System Check short duration cycle and mon-
itor display to determine which station is energized when
Fuse appears on the display. Carefully check valve wiring
for broken insulation and other conditions that may cause
intermittent short.
Fuse is alternately displayed with 0 and none of the
stations are operating automatically.
Cause: Short in master valve or pump start circuit. Check
solenoid coil of master valve, pump start relay, and/or
wiring. Press CLEAR after repair is made.
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