Commercial ice machine troubleshooting

2025/01/26

With the development of society and the continuous improvement of people's production level, the ice-using industry is becoming more and more extensive, and the social demand for commercial ice machines is also increasing. For example, deep-sea fishing is essential for the refrigeration, transportation, processing and display of fresh seafood. The use time of commercial ice machines is limited, and there will be some minor faults occasionally. When a fault occurs, we must first understand the cause of the commercial ice machine failure before repairing it. The following SHINELONG editor will introduce the failure and repair methods of commercial ice machines. Commercial ice machine failure and repair 1. The compressor works but does not make ice: the refrigerant leaks or the solenoid valve is damaged and not closed tightly. Repair: After leak detection, repair the leak and add refrigerant or replace the solenoid valve. 2. The compressor has been working to refrigerate, the water pump has been working to pump water, and the ice cubes are getting thicker, but it can never enter the dehydration program to drop ice: the failure of the water temperature probe makes the intelligent control system unable to effectively sense the water temperature and work, misjudgment of program errors, or controller failure. Maintenance: Use a multimeter to measure the resistance of the water temperature probe. If the resistance is lower than 27K, it is judged that the controller is broken and should be replaced. If the resistance is lower than 27K, it is necessary to disconnect any one of the two wires and adjust the resistance to between 27K and 28K by connecting a resistor in series. 3. The machine enters the de-icing program (the water pump stops working and the compressor stops refrigeration) but the ice cubes do not fall off: the defrosting solenoid valve is damaged. Maintenance: Replace the solenoid valve or the outer coil. 4. The water shortage light is on but the machine does not automatically fill with water: there is no water in the pipeline, or the water inlet solenoid valve is faulty and the valve does not open. Maintenance: Check the water inlet of the pipeline. If there is no water, open the water channel and restart the machine. If the water inlet solenoid valve is faulty, replace it. 5. The compressor works but the water pump does not work all the time (no water flow): the water pump is damaged or the water pump is blocked by scale inside. Maintenance: Clean the water pump or replace the water pump. The power indicator keeps flashing quickly and the machine does not work. Find a three-core connector and check whether it is detached or in poor contact. Reconnect it. Determine the fault according to the flashing of the indicator light 1. The power indicator keeps flashing quickly and the machine does not work: Check whether the water temperature probe is broken. Repair: Open the rear cover, open the cover of the electrical control box above the compressor, find a three-core connector, check whether it is detached or in poor contact, and reconnect it. 2. The three indicator lights flash in a cycle and the machine does not work: The machine does not make ice or defrost ice normally. Repair: Cut off the power supply and restart the machine. First check whether the fan and water pump are working properly. If there is any abnormality, eliminate it first, and then check whether the compressor has started working. If it does not work, check the parts near the compressor. If it has started, it is judged that the refrigeration system is faulty and follow the corresponding repair method. 3. The ice full light flashes quickly: It means that the defrosting time exceeds the specified time, and the machine automatically protects the repair: Generally, in this case, restart the machine. If it happens repeatedly, check whether the skating board swings up and down flexibly. 4. There is no water in the water tank, no water shortage is displayed, and the ice cubes are loose and have impurities: This fault is because impurities will be left in the water of the water tank after multiple ice making, or the water is rich in minerals, which will cause scaling on the surface of the water level probe and affect the sensitivity of the probe detection. Maintenance: Drain the residual water and clean the inside of the water tank, and clean the surface of the probe. 5. There is water in the water tank, and it shows water shortage. Maintenance: Check whether the two-core and three-core connectors in the control box are reliably connected. Reconnecting can generally solve the problem. Some solenoid valves are stuck. If the problem still exists, it means that the solenoid valve is damaged and needs to be replaced. In summary, SHINELONG Xiaobian explained the failure and maintenance methods of commercial ice makers. I hope the above content can help everyone. Commercial ice makers will encounter many different problems during use. When encountering a failure, it is best to ask professionals to repair it, and never handle it yourself. If you want to know more about commercial kitchen information, please continue to pay attention to SHINELONG commercial kitchen equipment.

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