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One or more stations do
not turn on
Stations turn on when
they are not supposed to
One station is stuck
on and will not shut off
Symptom
Possible Causes of Problems
All stations do not turn on
1. Faulty Solenoid
2. Wire broken or not connected
3. Flow control stem screwed down, shutting valve off
4. Programming is incorrect
1. Faulty valve
2. Particles of dirt or debris stuck in valve
3. Valve diaphragm faulty
Timer will not power up
Stations continue to turn on and off
when they are not programmed to
1. Transformer is defective or is not connected correctly
2. Programming is incorrect
3. Timer is in OFF mode
1. Water pressure is too high
2. More than one start time is programmed
3. Stations are set to water with both programs
1. Transformer is defective or is not connected correctly
2. Timer is not all the way down on the docking port
Correction
1. More than one start time is programmed with overlapping schedules
2. Excessive pressure
Persistant Fault
1. Short in wiring or solenoids
Replace solenoid
Repair wire and check connections
Turn flow control stem counter-clockwise
until desired flow is achieved
Check to make sure the station in
question is set to water with a program
Install a pressure reducer
Reduce the number of start times for that
program
Set station duration to 0 for suspect program
Check that valve is not installed backwards
Remove dirt or debris from valve
Replace diaphragm
Check connections and outlet if NO A/C
power persists replace transformer
Check Start Time and Watering Days
Turn dial to AUTO
Check connections and outlet if NO A/C
power persists replace transformer
Push down timer on docking port until back
light turns on.
Reduce the number of start times for that
program
Install pressure reducer
Check wiring or replace solenoid
Section 9: Trouble Shooting
07WTM002598 57926-24 rA.indd 18 2/16/07 2:07:26 PM