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http://support.weathermatic.com
Troubleshooting 7.0
PROBLEM CAUSES SOLUTIONS
No Display No power to controller Check fuse on SL1600 with inline fuse holder. Check fuse holder on
SL800 or SL800. Replacement fuse is 1 amp slow blow for SL1600
and SL800 and 1.5 AMP slow blow for SL4800.
No 24V power from transformer Replace transformer. Likely power surge damage
FAULT icon on display Shorted or open condition on a
zone(s)
Check solenoid(s) and wiring (turn dial to Advanced Menu for fault
information in Sec 6.1)
Shorted MV/P Check solenoid(s) and wiring
Insucient watering opportunity Check programming watering days, verify omit settings are not
excessive, and review accuracy of SMART settings for sprinkler and
plant type.
Display shows zone is
running but no sprinklers
are operating
Water supply to system is shut
OFF
Turn on water supply to system
Valve failure Verify valve operation
Open or disconnected wire Run MANUAL TEST as shown. Verify FAULT icon is shown display.
Turn dial to Advanced Menu to determine location of fault
Controller keeps repeating
a watering cycle
Extra start times are set at the
Program Start Times position on
the dial.
Turn dial to Program Start Times. Use NEXT button to view all start
times. Hold down UP or DOWN button to change the start times or to
advance to the OFF position. Each Program will start and run all zones
assigned to that program in consecutive order. For most installations,
only one start time is needed and the rest should be set to OFF. See
Program Start Times for more information.
Display shows 0 ZONES Defective or loose module Replace module in zone 1-4 position
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