Weathermatic SmartLine SL800 Owner's Manual page 32

PROBLEM
No Display
FAULT icon on display
Display shows zone is
running but no sprinklers
are operating
Controller keeps repeating
a watering cycle
Display shows 0 ZONES
CAUSES
No power to controller
No 24V power from transformer
Shorted or open condition on a
zone(s)
Shorted MV/P
Insufficient watering opportunity
Water supply to system is shut
OFF
Valve failure
Open or disconnected wire
Extra start times are set at the
Program Start Times position on
the dial.
Defective or loose module
6.0 Troubleshooting the Controller
SOLUTIONS
Check fuse on SL1600 with inline fuse holder. Check fuse holder on
SL1600 or SL800. Replacement fuse is 1A slow blow for SL1600 and
and 1.5A slow blow for SL4800.
Replace transformer. Likely power surge damage.
Check solenoid(s) and wiring (turn dial to Advanced Menu for fault
information in Sec 5.2)
Check solenoid(s) and wiring
Check programming watering days, verify omit settings are not
excessive, and review accuracy of SMART settings for sprinkler and
plant type.
Turn on water supply to system
Verify valve operation
Run MANUAL TEST as shown. Verify FAULT icon is shown display.
Turn dial to Advanced Menu to determine location of fault
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.
Replace module in zone 1-4 position
25
http://support.weathermatic.com