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7
Troubleshooting
Problem
Possible cause
Corrective action
Protection
relay is not
shining green
light
No power
Check that there is power
supplied to the system, power
cable is properly connected and
not damaged
Power supply fault
Refer to protection relay manual
or contact Ecosoft product
support
The controller
does not start
after switching
on controller
circuit breaker
Protection relay is
tripped
Ensure clean 380-400 V, 50 Hz
electrical power supply to the
system
Loosened contact in
screw terminal
Open controller housing, check
that power supply conductors
are firmly fixed in
220V
terminals of the PCB
Other
Contact your dealer’s product
support
Main circuit
breaker trips
Power supply does not
meet system
requirements
The system requires clean
power supply conforming to
electrical specification in
chapter 2. Check for brownout,
overvoltage, power surges
Other
Contact your dealer’s product
support
High pressure
pump is not
starting after
the controller
has started up
Controller is in Standby
mode
Check if permeate tank is full
Check that permeate tube is not
blocked or shut off with a valve
Controller is in Stop
mode
Open controller housing and
check that terminals 6 and 7 are
short-circuited with a conductor
Controller is in Service
Contact your dealer’s product
support
Low feed
pressure fault
Insufficient pressure of
water supply
Ensure adequate supply of
water per requirements in
Chapter 2
