veito Blue E - Page 41

-41-
EN
Failure
Reason
Solution
Who?
Inlet water
temperature is very
high (may arise
from the solar
power system).
Very low inlet water
temperature (risk
of frost).
Control the inlet water
temperature if solar
power system is
available. Use
thermostatic mixture
valve if required.
Customer
Immediately interrupt
the device water, shut-
off fuse and discharge
the water in the device
by opening the hot
water tap. You can
operate the device
when the frost risk is
eliminated.
Customer
E03 or
Continues
Red
E04
or
Red flashes
Air bubble
detection system
is active.
Shut-on/off the hot water
tap for several times and
clean the air bubble in
the system.
Customer
E05 or
Blue flashes
Hall sensor card
failure
Replace the hall sensor
card.
Technician
E06
E02 or
Green and
Red flashes
Inlet water
temperature sensor
cable is displaced.
Control the sensor and
its cable.
Technician
E7 or
Continues
Blue
Cable of the influent
flow sensor
is plugged out.
Check the sensor and
its cable.
Technician