Dry Contact & 24 Volt Adaptor
25
NOTE!
If the thermostat hasn’t G1, G2 and G3 (low, medium and high fan speeds)
interfaces, it’s no need to connect wires for these three interfaces of adaptor.
6 Malfunction Display
When there’s malfunction during operation, the nixie tube of dry contact & 24 volt
adaptor will display the error code. If multiple malfunctions occur at the same time,
error codes will be displayed circularly.
CAUTION:
When there’s malfunction, please turn off the unit and ask for professional
person to maintain it.
Table 6.1 Error Code List
Error Code
Error
E1
Compressor high-pressure protection
E2
Indoor anti-freeze protection
E3
Compressor low-pressure protection, refrigerant lack protection, refrigerant
collection mode
E4
Compressor air discharge high-temperature protection
E6
Communication error
E8
Indoor fan error
E9
Water-full protection