|
Code
|
Description
|
How to solve
|
|
01E
|
Wrong phase
|
Change phase
|
|
02E
|
Lack Phase
|
Check power supply wire
|
|
03E
|
Water flow switch
|
Check water flow or flow switch wire connecting, if switch damaged, change it
|
|
04E
|
Antifreeze
|
|
|
05E
|
High pressure
|
Water flow is too small
|
|
06E
|
Low pressure
|
No refrigerant or leaked
|
|
07E
|
High pressure 2
|
Water flow is too small
|
|
08E
|
Low pressure 2
|
No refrigerant or leaked
|
|
09E
|
Communication
|
Check if the communication line between PC board and operating panel connects firmly
|
|
11E
|
Time limited
|
Cancel the preset working time
|
|
12E
|
High Exhaust temp
|
Refer to 4.2
|
|
13E
|
High Exhaust temp 2
|
Refer to 4.2
|
|
15E
|
Tank temp sensor damage
|
Change tank temp sensor
|
|
16E
|
Copper Coil temp sensor damage
|
Change the temp sensor below expansion valve
|
|
17E
|
Copper Coil temp sensor2 damage
|
Change the temp sensor below expansion valve 2
|
|
18E
|
Exhaust temp sensor
|
Change outlet gas temp sensor
(On the outlet pipe of compressor)
|
|
19E
|
Exhaust temp sensor 2
|
Change outlet gas temp sensor 2
(On the outlet pipe of compressor 2)
|
|
21E
|
Air temp sensor
|
Change air temp sensor
|
|
22E
|
Return water temp sensor
|
Change return water temp sensor
|
|
23E
|
Over cold when cooling mode
|
Water flow is too small
|
|
25E
|
Water level switch damage
|
Change water level switch
|
|
27E
|
outlet Water temp sensor damage
|
Change Water outlet temp sensor
|
|
28E
|
outlet Water temp sensor2 damage
|
Change Water outlet temp sensor2
|
|
29E
|
Return gas temp sensor damage
|
Change return gas temp sensor
|
|
30E
|
Return gas temp sensor 2 damage
|
Change return gas temp sensor 2
|
|
31E
|
Water pressure switch damage
|
Check water pressure switch wire line
|
|
32 E
|
Outlet water temp too low when cooling
|
Check water pump or change setting temperature
|
|
35E
|
Compressor over current
|
Check if current and voltage stable
|
|
36E
|
Compressor 2 over current
|
Check if current and voltage stable
|
