How to solve the problem that the high and low temperature alternating test chamber cannot be cooled

When the high and low temperature alternating test chamber cannot be cooled, how can we solve it? The following methods are for reference:

1The compressor is damaged or not opened, replace the compressor and check whether the compressor circuit and control components are damaged;

2 refrigerant leakage, use nitrogen leak detection method to find the leak point, weld, vacuum, add refrigerant, re-commission;

3 solenoid valve is abnormal, replace the solenoid valve, check the solenoid valve control circuit;

4 Capillary blockage, replace the capillary, replace the dry filter, purge the condensing system impurities with nitrogen, and add refrigerant to debug;

5 The condenser is frozen, and the water in the tank is heated to cool down. 【YASELINE high and low temperature alternating test chamber】

如何解决高低温交变试验箱无法降温情况

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