- (CS01 - 07) -
Control system
- (CS01 - 07) -
C
O
N
T
R
O
L
SY
S
T
E
M
C
O
N
T
R
O
L
SY
S
T
E
M
Ref 3
Functions
- Definitions
Outdoor unit :
To access the electronic board, you must remove the front (right-hand) facing
from the outdoor unit. Faults are coded by LED flashes.
SW1
SW2
SW3
SW4
SW5
(1)
(2)
(3)
(4)
(5)
Diodes
and switches
SW2
SW3
SW4
SW5
(1)
(2)
(3)
(4)
Terminal
block
Location of switches and LED on outdoor unit
(High power series_Single phase model) (High power series_3-phase model)
When an error occurs :
- Check that the "ERROR (2)" LED blinks, and then "short-press" the [ENTER (SW3)] switch
once.
- The "POWER MODE (1)" LED will blink twice and the "ERROR (2)" LED will blink several time
(see below).
LED 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
Heatsink thermistor error.
10 Flashes
―
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
Active filter error. (single phase)
P.F.C error. (3-phase)
20 Flashes
Low pressure abnormal.
21 Flashes
Connection with hydraulic unit error.
22 Flashes
Hydraulic unit abnormality condition.
