Trianco TRO Evolution System Series Installation And Operating Instructions Manual page 47

Circulating pump alarms
The high efficiency pumps include a Led (light) which displays their status.
PUMP LIGHT DESCRIPTION
The
functioning
It is lit green
Standby mode
It flashes
green
(PWM version)
The is ready for
It flashes
service but is not
red/green
functioning
The pump is out
of order
Flashes red
There is no power
Light off
supply
STATUS
pump is The
operates
according to its
setting
The pump is in
standby mode
The pump will
start up again
automatically
once the error
has been solved
The pump is
stopped
(blocked)
The electrical
system is not
receiving power
supply
CAUSE
pump Standard functioning
1. Low voltage
U<160 V
or
Excess voltage
U>253 V
2. Excess temperature
of the module: the
temperature of the
motor is too
high
The pump does not
start up automatically.
1. The pump is not
connected to the
power
supply
2. The LED is faulty
3. The electrical
system is
faulty
SOLUTION
1. Check the
power
supply
195 V<U<253 V
2. Check the
room
temperature and
that
of the fluid
Change the pump.
Please contact your
nearest official
technical assistance
service to have it
replaced
1. Check the
connection of the
cable
2. Check if
the pump
works
3. Change the
Pump. Change the
pump. Please contact
your nearest official
technical assistance
service to have it
replaced
page -47