4-2. Error Code Table
Error code Problem Description Reasons Solution
E1
Room temperature
sensor failure
Sensor short circuit or
open circuit or main
board detection circuit
failure
Re-plug the sensor terminal
or replace the PCB.
E2
Pipe temperature
sensor failure
Sensor short circuit or
open circuit or main
board detection circuit
failure
Re-plug the sensor terminal
or replace the PCB.
E3
Main board and
display board
connection failure
connection harness is
short circuit or open
circuit, the main board
is defective.
terminal of the display
board to the main
board(PCB), or replace the
main board(PCB)
Compressor nor
work
1.The compressor capacity
damaged
2.The compressor stops for 3
minutes and the protection
function is activated When the
machine ran for a long time
3.The compressor damaged
1.Replace the compressor capacity
2.Wait for three minutes and
restart the machine.
3.Replace the compressor.