- (CS01 - 05) -
Control system
- (CS01 - 05) -
C
O
N
TR
O
L
SY
ST
EM
C
O
N
TR
O
L
SY
ST
EM
Ref 3
Functions
- Definitions
-
Reading error codes
Hydraulic unit :
Fault visible on the digital display.
Error
number Error contents
Error location
Heat pump operation
despite the error
-
No connection
Failure to comply with
room thermostat's
polarity
No
10
Outdoor sensor
X86
Yes with OT = 0 °C
33
Flow sensor HP
X70
Yes
44
Return sensor HP
X70
Yes
50
DHW sensor
X84
Yes
60
Room sensor 1
Yes
65
Room sensor 2
Yes
105
Maintenance message
Yes
121
Flow temp HC1 not reached
Yes
122
Flow temp HC2 not reached
Yes
127
Anti-legionella temp not reached
Yes
369
External fault (safety component)
No
370
Outdoor unit error
See the next page
No
Hydraulic unit :
Flashing of the LED visible on the interface card.
LED display
Error contents
LED 2 (green)
LED 1 (red)
1 Flash
1 Flash
Communication error between Hydraulic unit and Outdoor unit.
4 Flashes
1 Flash
Heat pump capacity signal error (Open or short).
4 Flashes
2 Flashes
Hydraulic unit heat-exchange thermister error.
6 Flashes
3 Flashes
Inverter error.
6 Flashes
4 Flashes
Active filter error.
7 Flashes
1 Flash
Discharge thermister error.
7 Flashes
2 Flashes
Compressor thermister error.
7 Flashes
3 Flashes
Heat-exchange thermistor (outlet) error.
Heat-exchange thermistor (intermediate) error.
7 Flashes
4 Flashes
Outdoor thermistor error.
7 Flashes
7 Flashes
Heatsink thermistor error.
7 Flashes
8 Flashes
Expansion valve thermistor error.
8 Flashes
4 Flashes
Current sensor error.
8 Flashes
6 Flashes
Pressure sensor error.
9 Flashes
4 Flashes
Current trip.
9 Flashes
5 Flashes
Detection of compressor position error. / Compressor start up error.
9 Flashes
7 Flashes
Outdoor unit fan motor error.
10 Flashes
1 Flashes
Discharge temperature protection.
10 Flashes
3 Flashes
Compressor temperature protection.
10 Flashes
5 Flashes
Low pressure abnormal.
Continuous flashing (1 sec On
/ 1 sec Off)
Pump down operation.
Continuous
lighting
Off
Defrosting.
- Information concerning maintenance, special mode.