Sinclair SCV-50EA Service Manual page 74

17.4 Error code table
5/7kW
Error
Content
Code
E9 EEPROM malfunction
H0 Communication malfunction between main chip and IPDU.
E4 T3,T4 sensor malfunction
E5 Voltage protection malfunction
E6 DC fan motor malfunction
EA A fan in the A region run for more than 5 minutes in heating mode
Eb There are two times E6 fault in 10 minutes (recovery after power off)
HH Inlet water temperature sensor malfunction for 5/7kW models.
EC Outlet water temperature sensor malfunction (5/7kW)
C0 Temperature sensor malfunction of plate heat exchanger for 5/7kW.
P1 High pressure protection
P2 Low pressure protection
P3 Current protection of the compressor
P4 Discharged temperature protection
P5 T3 high temperature protection of outdoor condenser
P6 IPDU module protection
P8 Typhoon protection
Protection when temperature difference between inlet & outlet water in heating mode is too
CH
large for 5/7kW
Protection when temperature difference between inlet & outlet water in cooling mode is too
CL
large for 5/7kW.
CP Anti-freeze protection of plate heat exchanger for 5/7kW
Pb System anti-freeze protection
C8 Water flow switch protection malfunction
PH Protection when water temperature in heating mode is too high for 5/7kW.
dF Defrosting
d8 Remote control
72
Note
The same as
10-16kW
5/7kW
The same as
10-16kW
5/7kW
The same
as 10-16kW
5/7kW
The same as
10-16kW