Fault Codes
Fault Code
06E
09E
11E
12E
03E
05E
04E
01E
02E
15E
27E
29E
35E
21E
23E
22E
16E
18E
Meaning
Default phase
Loss of phase
Water switch
Anti freezing
High pressure
Low pressure
Communication
Time limited
High exhaust temperature
Input water sensor fault
Coil sensor fault
Exhaust sensor fault
Ambient sensor fault
Return water sensor fault
Supercooling protection
Outlet water sensor fault
Return air sensor fault
Compressor overflow
4.7 Protection Specications
3 minutes after the compressor has stopped, it can start again.
Water Flow Switch Protection (for water cycling system)
Start the system and run the circulating water pump, if water flow switch is disconnected
the compressor and outer blower will stop working until the water flow switch is
reconnected for more than three minutes.
Exhaust Temperature Protection
0
If the temperature is beyond 115 C and lasts for 30 seconds, it will be interpreted as
system is over heated. The output will stop and fault code will be displayed.
Operating Parameters
Code
A6
A7
A8
A9
A3
A5
A4
A1
A2
AA
Meaning
Coil temperature
Discharge air temperature
Exhaust temperature
Ambient temperature
lnput water temperature
Return water temperature
Unused
Compressor Current
Unused
Expansion Valve
12
