D
62
4
GB
Meaning of the warning lights on the electronic board of the external unit
ME
= external unit
°
switched on
•
switched off
Ñ
flashing (0.25/0.75) - the warning light remains switched on for 0.25 seconds, then remains switched off for 0.75 seconds.
In the absence of other indications the warning light flashes (0.5/0.5)
4.2.2
Meaning
When powered :
1. absence of communication with the
MI
of
the system
2. communication established with one or
more
MI
of the system
3. normal communication OK (power and
quantity checked)
When in normal operation:
Error EEPROM (F31)
Pre-trip (insufficient load)
Pre-trip (P20)
Pre-trip (other)
Alarms
Missing load indicator
Refrigerant recovery mode
Automatic addressing
Automatic addressing in course
Automatic addressing alarm (E15)
Automatic addressing alarm (E20)
Other automatic addressing alarms
LED 1
°
•
•
°
Ñ
(0.25/0.75)
Ñ
(0.75/0.25)
Ñ
Ñ
Ñ
Ñ
Ñ
(0.25/0.75)
Ñ
(0.75/0.25)
Ñ
Notes
When it is not possible to move to
point 3, repeat the operations
described in points 1 and 2.
At point 3, the warning lights
switch-off.
Display upon initial automatic
addressing and communication
set-up.
P03
Alternating flashing
Simultaneous flashing
Simultaneous flashing
Simultaneous flashing
LED 2
°
°
•
Ñ
•
•
•
•
•
Ñ
Ñ
(0.25/0.75)
Ñ
(0.75/0.25)
Ñ
Alternate flashing during alarm
LED 1 flashes M times, then LED 2 flashes N
times.
The cycle then repeats.
M = 2 : Alarm P
3 : Alarm H
4 : Alarm E
M = 5 : Alarm F
6 : Alarm L
N := alarm number
(see the following table with examples)