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ESP-LXIVM Controller Troubleshooting Guide
Category Issue
Potential Cause
Solution
Station
Valves
A station
valve is not
operating.
Valve is manually
closed or solenoid
is damaged.
Turn dial to Manual Watering / Start Station. Select
the station making sure it has a run time and press
run. Check to see if the valve is operating and if it
isn’t, address the valve issue.
Station does not
have run time for a
program with start
days and a start
time.
Turn dial to Diagnostics / Confirm Program / Station
Run Time. Note which programs the station has run
times programmed. Use Program Summary to make
sure that program has start days and start times.
Station
Valves
A station
valve is not
operating.
IVM-SOL or valve
wires are not
spliced correctly.
Turn dial to Diagnostics / Diagnostics / Ping List not
Responding. If the ping test fails check the device
and valve wire splices and repeat the ping test.
Incorrect address. Check the address of the station (label on the IVM
device that is connected to the valve) and verify
the address is entered correctly. Turn dial to 2-wire
Setting / Station Setup to access Station Address.
Incorrect Valve
Type
Turn Dial to 2-wire Setting / Station Setup / Valve
Types. Valve types configure the decoder inrush
amps and duration for opening a valve solenoid.
The LX-IVM Valve Types are preconfigured for
Rain Bird commercial valve models. Information
for configuring Valve Types to work with other
valves can be found in the controller manual. Note:
Rain Bird residential valves (DV, JTV, HV) are not
compatible with the LX-IVM system or IVM-SOL.
2-wire path from
the controller is
not connected to
this area.
Ping other valves on the same 2-wire path leg.
If these pings are also unsuccessful, check for an
open wire connections on the 2-wire path.
Master
Valves
The Master
Valve will not
open when
stations are
operating.
MV is assigned to
a different FloZone
than the stations.
Turn dial to 2-Wire Settings / Master Valves. Press
Next to advance to FloZone (FZ) Setup screen. MV
needs to be assigned to the same FloZone as the
stations that receive water from this water source.
MV is Normally
Open but has been
configured as a
Normally Closed
MV.
If the MV valve is Normally Open (powered to close)
it needs to be configured as Normally Open. Turn
dial to 2Wire Settings / MV Setup. Change MV from
Normally Closed (default) to Normally Open.
Station not
configured to open
Master Valve.
Go to 2-Wire Settings / Station Setup to make sure
the station is configured as requiring a Master
Valve.
MV Address is
incorrect.
Check the address of the MV (label on the IVM
device that is connected to the MV) and verify the
address is entered correctly. Turn dial to Setup
Wizards / Master Valves to access MV Address.