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. List of Unit Errors-List of Error Display on Wired Controller:
Gree Water-Cooled Screw Chiller 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
The fault code is deduced from the number of times the green LED flashes, blocking unit operation. E1: Refrigerant system high pressure protection E2: Anti-freezing protection E4: Compressor exhaust high temperature protection E5: AC over-current protection E6: Communication failure between indoor unit and outdoor unit E8: Anti-high temperature protection H6: No feedback of indoor fan motor
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