7. TROUBLESHOOTING
7.1 Troubleshooting table:
Problem
Possible Cause
Remedy
LED Power
illuminates red
Undervoltage.
v
Check the power
connection.
Wrong power supply.
v
Check the power supply.
MCU Communication
error.
v
Reset the Irrigation
Control to factory set
tings.
LED Active
Watering flashes
red
Can’t open valve because
of limit of 2.
v
Check the program.
Valve is not connected.
v
Check the valve.
Single channel overcurrent.
v
Check the current of the
channel.
Sum overcurrent.
v
Check the sum current
of the valves.
Watering schedule
cancelled.
v
Restart the program.
Master channel error.
v
Check the master
channel.
Watering duration too
short.
v
Increase the watering
duration.
Watering program is
not being undertaken
(no watering)
The valve has previously
been manually opened.
v
Avoid any program over
lap.
Water tap closed.
v
Open the water tap.
No function
Faulty wiring.
v
Check the cable
terminals.
Power supply unit is not
connected.
v
Connect the power
supply unit.
Power supply unit is too
hot.
v
Disconnect the power
supply unit and let it be
cooled down. Connect
the power supply unit
again.
v
Protect the power supply
unit from direct sunlight.
24
en
