6 3 Faults displayed on the outdoor unit
To access the electronic board, you must remove the
front (right-hand) facing from the outdoor unit.
Faults are coded by diode flashes.
Outdoor unit :
When an error occurs :
-The diode "
ERROR
" (2) blinks.
• Press once on the switch "
ENTER
" (SW4).
-The "
ERROR
" (2) diode blinks several times depending
on the error's type
(see below).
Figure 47 - Location of switches and diodes
on outdoor unit
Diodes
and switches
Terminal
block
SW2
SW3
SW4
SW5
(1)
(2)
(3)
(4)
Figure 48 - LED display on the outdoor unit
Diode display
Error contents
1 Flash
Serial forward transfer error.
2 Flashes
Discharge thermistor error.
3 Flashes
Pressure sensor error.
4 Flashes
Heat-exchange thermistor (outlet) error.
5 Flashes
Heat-exchange thermistor (intermediate) error.
6 Flashes
Expansion valve thermistor error.
7 Flashes
Outdoor temperature thermistor error.
8 Flashes
Compressor thermistor error.
9 Flashes
Heat sink thermistor (inverter) error.
10 Flashes
Heat sink thermistor (P.F.C.) error.
11 Flashes
Discharge temperature protection (permanent stoppage).
12 Flashes
Compressor temperature protection (permanent stoppage).
13 Flashes
Current trip (permanent stoppage).
14 Flashes
Detection of compressor position error (permanent stoppage).
15 Flashes
Compressor start up error (permanent stoppage).
16 Flashes
Fan motor (1) error (permanent stoppage).
17 Flashes
Fan motor (2) error (permanent stoppage).
18 Flashes
Inverter error.
19 Flashes
P.F.C. error.
20 Flashes
Low pressure abnormal.
21 Flashes
Connection with hydraulic unit error.
22 Flashes
Hydraulic unit abnormality condition.
Installation and operating manual "1364 - EN"
Heat pump split single service 3 phase
- 54 -