Evolution EV HFC
30
22
ALARM CODES
The
Evolution EV HFC
boiler has an electronic circuit which performs continuous self-testing to detect
any operating failures in the boiler. When the electronic control detects an operating error, it indicates
this by showing an alarm code on the display. The following list describes the possible alarm codes:
CODE
ALARM
DESCRIPTION
Pressure
The pressure in the installation has dropped to below 0.5 bar.
The boiler will cut out. To unblock it, fill the installation at a
pressure of 1 - 1.5 bar.
This alarm may be set off due to the water having been
drained from the boiler or leakage in the installation.
If this alarm occurs repeatedly, you should contact the nearest
official technical assistance service.
Temperature
The boiler has exceeded the safety temperature of 110 ºC. The
boiler will cut out. To unblock it, press the safety thermostat
button when the temperature has dropped.
If this alarm occurs repeatedly, you should contact the nearest
official technical assistance service.
Burner
The burner has cut out. To unblock it, press the illuminated
button on the burner
(10)
.
This alarm is set off when there is a functioning anomaly in the
burner or the fuel installation.
If this alarm occurs repeatedly, you should contact the nearest
official technical assistance service.
Boiler sensor
The boiler sensor
(8)
is damaged or disconnected. Contact
your nearest official technical assistance service to have it
replaced.
DHW sensor.
(with hot water tank
only)
The tank DHW sensor is damaged or disconnected. Contact
your nearest official technical assistance service to have it
replaced.
SRFC2/EV flow sensor
(only with SRFC2/EV kit)
The underfloor heating sensor is damaged or disconnected.
Contact your nearest official technical assistance service to
have it replaced.
Pressure sensor
The pressure sensor
(6)
is damaged or disconnected. Contact
your nearest official technical assistance service to have it
replaced.
Overpressure
This indicates that the water pressure in the boiler is over 2.5
bar, warning that the installation is in overpressure status.
Boiler functioning will NOT cut out.
To restore normal boiler functioning, drain the boiler until it
reaches a pressure of 1 – 1.5 bar.
If this warning occurs repeatedly, you should contact the
nearest official technical assistance service.
NOTE:
It will be very useful for the technical assistance service if you can inform them of the alarm
code that has appeared on call-out.
Summary of Contents for EVOLUTION EV 20 HFC
Page 1: ...INSTALLATION AND OPERATING INSTRUCTIONS EVOLUTION EV HFC ...
Page 44: ...Evolution EV HFC 42 NOTES ...
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