Gree Chiller Air Conditioner Error Codes
Gree Chiller Air Conditioner Error Codes

Gree Chiller Air Conditioner Error Codes

Gree Chiller Air Conditioner Error Codes The repair personnel shall collect the error information as more as possible for careful study and list those electric or system parts that might cause the error. Then, the repair personnel shall be able to identify the specific cause of error and find out the problem parts.

Gree Chiller Air Conditioner Error Code Solutions

These air conditioners are not so complicated in comparison with equipment from manufacturers claiming to be high-tech rather than mass. After all, Gree air conditioner error codes are unified as much as possible. You just need to know where, what to look for and how to interpret.

But it would not be superfluous to know whether it is worth paying the money to the master immediately after the air conditioner is turned off, right? For our and your happiness, the manufacturer made it so that in most cases, the cause of a breakdown or at least the “sore part” of Gree air conditioners can be established by learning to use all their functions.

Error Display: high pressure of compressor

Name: high pressure protection

Source of Error Signal: high pressure switch

Description: When the high temperature of system exceeds the setting value, the high pressure protection occurs and the corresponding malfunction LED lights while the compressor stops immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: low pressure of compressor 

Name: low pressure protection

Source of Error Signal: low pressure switch

Description: When the low temperature of system is lower than the setting value, the low pressure protection occurs and the corresponding malfunction LED lights while the compressor stops immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: overload of compressor 

Name: overload protection

Source of Error Signal: thermal relay

Description: Upon overcurrent of compressor, the overload protection will occur and the corresponding malfunction LED lights while the compressor stops immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: chilled water switch 

Name: flow switch protection

Source of Error Signal: chilled water switch

Description: When the chilled water flowing through the unit is not sufficient, the flow switch protection will occur. The error LED of system 1 and system 2 (dual system) will light and all the compressors, chilled water pumps and cooling water pumps will stop immediately. The malfunction information is shown on the wired controller. It can be reset automatically.

Gree Chiller Error Code List

Error Display: cooling water switch 

Name: chilled water switch

Source of Error Signal: chilled water flow switch

Description: When the cooling water flowing through the unit is not sufficient, the flow switch protection will occur. The error LED of system 1 and system 2 (dual system) will light and all the compressors, chilled water pumps and cooling water pumps will stop immediately. The malfunction information is shown on the wired controller. It can be reset automatically.

Error Display: anti-freezing heat detector 

Name: anti-freezing protection

Source of Error Signal: anti-freezing heat detector

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: heat detector of intake chilled water 

Name: sensor malfunction protection

Source of Error Signal: heat detector of intake chilled water

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Gree Chiller Error Code List

Error Display: heat detector of outflow chilled water

Name: sensor malfunction protection

Source of Error Signal: heat detector of outflow chilled water

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: heat detector of intake cooling water 

Name: sensor malfunction protection

Source of Error Signal: heat detector of intake cooling water

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: heat detector of outflow cooling water 

Name: sensor malfunction protection

Source of Error Signal: heat detector of outflow cooling water

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: superheat

Name: superheat protection

Source of Error Signal: heat detector of outflow cooling water

Description: When the outflow cooling water temperature is higher than the  setting value, the superheat protection will occur. The error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. In that case, only when the outflow cooling water temperature is lower than the setting value, the malfunction can be removed by manual resetting.

Error Display: anti-freeze

Name: anti-freezing protection

Source of Error Signal: anti-freezing heat detector

Description: When the anti-freezing heat detector detects that temperature is lower than the setting value, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. In that case, only when the temperature is higher than the setting value, the malfunction can be removed by manual resetting.

Error Display: discharge high temperature

Name: discharge high temperature protection

Source of Error Signal: heat detector of discharge high temperature

Description: When the discharge temperature is higher than the setting value, the error LED of corresponding system will light and the corresponding compressors will stop immediately. The malfunction information is shown on the wired controller. In that case, only when the discharge temperature is lower than the setting value, the malfunction can be removed by manual

Error Display: phase sequence of power supply

Name: Phase sequence protection

Source of Error Signal: Lack phase protector

Description: When the phase sequence of the power supply is wrong or the power supply is lack of phase, the lack phase protection will occur and the error LED of system 1 and system 2 will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: low flow of cooling water 

Name: low flow protection of cooling water

Source of Error Signal: heat detector of inflow and outflow temperature for cooling water

Description: When the controller detects for successive 10min that the differential temperature between inflow and outflow cooling water is higher than the setting value, the error LED will light. The wired controller will display the information of insufficient cooling water flow, but the unit will not stop. The error can be removed automatically.

Error Display: low flow of chilled water

Name: low flow protection of chilled water

Source of Error Signal: heat detector of inflow and outflow temperature for chilled water

Description: When the controller detects for successive 10min that the differential temperature between inflow and outflow chilled water is higher than the setting value, c, but the unit will not stop. The error can be removed automatically

Error Display: high pressure sensor

Name: sensor malfunction protection

Source of Error Signal: high pressure sensor

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: low pressure sensor

Name: sensor malfunction protection

Source of Error Signal: low pressure sensor

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: discharge temperature sensor

Name: sensor malfunction protection

Source of Error Signal: discharge temperature sensor

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: inspiratory temperature sensor 

Name: sensor malfunction protection

Source of Error Signal: inspiratory temperature sensor

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: oil switch

Name: oil switch protection

Source of Error Signal: oil switch

Description: When the oil level of the compressor is too low, the oil level switch protection will occur. The corresponding error LED will light and the corresponding compressor will stop. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

Error Display: differential pressure protection 

Name: differential pressure protection

Source of Error Signal: high pressure and low pressure sensor

Description: When it is detected that the differential pressure of the compressor is too low, the differential pressure protection will occur and the compressor will stop. The unit can be started up only after the malfunction is removed manually.

Error Display: heat detector of condenser outlet

Name: sensor malfunction protection

Source of Error Signal: heat detector of condenser outlet

Description: If the sensor is wrong, the error LED of system 1 and system 2 (dual system) will light and all the compressors will stop immediately. The malfunction information is shown on the wired controller. The unit can be started up only after the malfunction is removed manually.

One comment

  1. Pranto D Rozario

    Gree Chiller Error Overcruunte proticeon how tho the solve problem pless help me

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