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EE04
In heating mode, temperature
overheating error
EE05
d6-TH3 exhaust temperature protection
EE06
Controller fault
EE07
Compressor protection
EE08
Communication error between the
controller and the power board
EE09
Communication error between the
controller and the control board.
EE10
High voltage protection
EE11
Faulty motherboard for IPM module
EE12
The power supply is too low
22
In heating mode, temperature
overheating error.
Faulty flow switch.
Abnormal d2-TH5 sensor reading.
Insufficient refrigerant.
Insufficient water flow rate.
Clogged filter or electronic valve.
d6-TH3 sensor fault.
The connection is faulty.
The controller is faulty.
The connection is faulty.
Accumulation of liquid and gas.
Faulty compressor or printed circuit
board.
Abnormal water flow rate.
Fluctuating power supply.
The connection is faulty.
The controller is faulty.
The connection is faulty.
The controller is faulty.
Voltage too high.
Faulty power board.
The data is incorrect.
The connection is faulty.
Accumulation of liquid and gas.
Faulty compressor or printed circuit
board.
The power supply is incorrect.
The power board is faulty.
Check that the flow rate is sufficient.
Replace the flow switch.
Replace the d2-TH5 sensor.
Check for the presence of gas
leaks and add refrigerant.
Check the by-pass valve.
Check refrigerant levels.
Check the d6-TH3 sensor.
Check the connection.
Replace the cable.
Replace the controller.
Check the connection.
Check the power supply voltages
Check the phases.
Check the water flow rate.
Check the electrical grid.
Check the connection.
Replace the cable.
Replace the controller.
Check the connection.
Replace the cable.
Replace the controller.
Check the voltage.
Replace the power board and/or
control board.
Programming error, disconnect
the power supply and start after 3
minutes.
Check the connection.
Check the power supply voltages
Check the phases.
Check the power supply voltage.
Replace the board.
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