Dantherm HRV 5, Руководство по обслуживанию

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Fault finding guide,
continued
Fault finding,
con-
tinued
Problem Cause Action
The unit is stopped and a buzzer starts
to sound from the remote controller
(acoustic signal)
In the display, the warning triangle is
flashing
Defect rotor motor
or sensor problems Contact a service
technician
Please note:
The error is deter-
mined by tempera-
tures
This error is not dis-
played in summer
operation
A buzzer starts to sound from the re-
mote controller (acoustic signal) and
the screen displays by means of an ar-
row which sensor is defect
The warning triangle is displayed and
the arrow is flashing
Sensor fault Contact a service
technician
A buzzer starts to sound from the re-
mote controller (acoustic signal) and
the screen displays an arrow pointing
towards the supply air sensor
The warning triangle is displayed and
the arrow is flashing
Please note: The heating element does
not switch on
Supply air sensor
fault Contact a service
technician