Innova Srl
Page 38
N420741A_manuale-HRC+2022 - rev.01 _EN
.docx
TABLE OF ALARMS SIGNALED BY DISPLAY - VERSIONS I -
Below is the table of the unit operating anomalies signaled, in the electronic versions I by the remote display or by the flashing of the LED on the
board.
CODE
DESCRIPTION
CAUSE
REMEDY
CARD BLINKS
E1
AIR recovery
probe alarm
Broken or missing reading of the
probe
Check the connection of the probe or
replace it
1 flash - off 3
seconds
Fan alarm
Faulty fan connector or no feedback
signal
Check the connection of the fan
connector to the board
Replace the fan control cable
2 flashes - off 3
seconds
Alarm H2
expulsion probe
Broken or missing reading of the
probe
Check the connection of the probe or
replace it
3 flashes - off 3
seconds
Alarm External air
probe H4
Broken or missing reading of the
probe
Check the connection of the probe or
replace it
5 flashes - off 3
seconds
Connection alarm
with remote
display
Error connecting the remote display
Check the electrical connections
Check that A and B are not reversed
Check the correct insertion of the
display connection board on the
main board
Led Off
Communication
alarm with
remote display
No communication between display
and board for at least 300 seconds.
Check the filter status and keep the
on off key pressed to reset the
signal;
Check that A and B are not reversed
Check the correct insertion of the
display connection board on the
main board
6 flashes - off 3
seconds
