Controllers
Sensors
Valves
Sprays/Nozzles
Rotors
Super Blue Flex
EnhancementsTroubleshooting
All Irritrol controllers and valves have online troubleshooting guides to help you quickly figure out what’s gone wrong and how to fix it. Click on the appropriate product below to get started.
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If you are looking for FAQ's on troubleshooting Irritrol products, click here.
Timers
| Cause | Solution |
|---|---|
| Multiple start times set | Check program and turn off all but one start time |
| Season adjust is set at more than 100% | Reset Season adjust |
| Cause | Solution |
|---|---|
| Faulty valve solenoid | Replace solenoid |
| Damaged or shorted wiring | Inspect and repair wire |
| Faulty timer | Replace timer |
| Cause | Solution |
|---|---|
| No power to timer | Check outlet for power |
| Faulty transformer | Replace transformer |
| Blown fuse | See above (fuses) |
| Cause | Solution |
|---|---|
| Timer is off | Turn timer on |
| Blown fuse | See above (fuses) |
| Damaged timer/ valve wiring | Repair wire |
| Faulty transformer, timer or rain sensor device | Replace timer, sensor or transformer |
| Damaged wiring at timer or one manifold | Repair wiring |
| Cause | Solution |
|---|---|
| Damaged wiring at timer or one manifold | Repair wiring |
| Cause | Solution |
|---|---|
| Damaged wiring at timer and zone | Repair wire |
Valves
| Cause | Solution |
|---|---|
| Main water supply valve is off | Turn supply valve on |
| Faulty valve solenoid | Replace solenoid |
| Flow control at valve is closed | Open fully counterclockwise |
| Zone valve wires not connected | Connect wires |
| Debris in valve, solenoid or metering orifice | Disassemble valve and clean with fresh water |
| Cause | Solution |
|---|---|
| Faulty valve diaphragm | Replace diaphragm |
| Faulty valve | Replace valve |
| Damaged or cracked valve body | Replace valve |
| Damaged or cracked bonnet | Replace valve |
| Cause | Solution |
|---|---|
| Damaged or cracked pipe and fittings | Check and replace as needed |
| Damaged diaphragm | Replace diaphragm |
| Cause | Solution |
|---|---|
| Debris between diaphragm and diaphragm seat | Clear debris from valve |
| Damaged diaphragm | Replace diaphragm |
| Debris in solenoid | Clean solenoid |
| Faulty solenoid | Replace solenoid |
| Valve manual bleed open | Tighten by hand |
Rotors
| Cause | Solution |
|---|---|
| Internal basket screen plugged with debris | Clean screen |
| Cause | Solution |
|---|---|
| Not enough water pressure to rotate sprinkler | Split zone in two |
| Debris in sprinkler head | Clean debris from sprinkler |
| Faulty sprinkler head | Replace sprinkler |
| Cause | Solution |
|---|---|
| Not enough water pressure to rotate sprinkler | Split zone in two |
| Faulty sprinkler head | Replace sprinkler |
| Missing nozzle | Replace nozzle |
Sprinklers
| Cause | Solution |
|---|---|
| Not enough water pressure to run the zone | Split the zone in two |
| Master or zone valves not completely open | Open counterclockwise |
| Flow control on zone valve not fully open | Open flow control |
| Debris between sprinkler riser and riser seal | Clear debris |
| Cause | Solution |
|---|---|
| Damaged riser or riser seal | Replace sprinkler |
| Damaged retraction spring | Replace sprinkler |
| Radius adjustment screw turned off | Open counterclockwise |
| Debris in nozzle | Remove debris |
| Cause | Solution |
|---|---|
| Internal filter clogged | Clean screen |
| Cause | Solution |
|---|---|
| Missing nozzle | Install nozzle |
| Faulty or missing sprinkler head | Replace sprinkler |
