[Case Sharing] One-minute tips teach you common faults and maintenance methods of snowflake ice machine

Snowflake icing machine produces irregular and tiny granular icing residues in the shape of snowflakes, which are widely used in the food industry, such as pre-cooling in the processing of meat foods, moon cakes, bread cakes, and slaughter. The following editor introduces you the common faults and maintenance methods of the Snow .

　　1. Maintenance methods for common faults of snowflake cbfi ice machine

　　Fault phenomenon:

　　 1. The compressor works but does not cool.

　　 Failure reason: refrigerant leakage or two-way solenoid valve is damaged and not closed tightly.

　　Maintenance method: after leak detection, add refrigerant or replace the solenoid valve

　　2. The compressor keeps working for cooling, and the water pump keeps working to pump water, and the ice cubes continue to thicken. But it can't automatically enter the de-icing program to drop the ice.

　　 The cause of the fault: the water temperature probe is faulty, so that the intelligent control system cannot effectively sense the water temperature and work, misjudging the program error, or the controller is faulty.

　　 Maintenance method: Use a multimeter to measure the resistance of the water temperature probe (when the water temperature in the water tank is close to 0℃, unplug the three-core wire in the control box, and test the resistance of the two wires on both sides ). If the resistance is above 27K, it is judged that the controller is bad and should be replaced. If the resistance is lower than 27K, you must disconnect either of the two wires and adjust the resistance by connecting the resistance in series. Between 27K and 28K.

　　3. The machine enters the de-icing program (the water pump stops working, the compressor stops cooling) but the ice does not fall off.

　　 Failure reason: The two-way solenoid valve is damaged.

　　 Repair method: Replace the solenoid valve body or outer coil.

　　4. The ice machine is short of water and the light is on but the machine does not automatically replenish water.

　　 Failure reason: There is no water in the pipeline or the water inlet solenoid valve is faulty and the valve does not open.

　　Maintenance method: Check the water inlet of the pipeline, and restart the machine after opening the waterway if there is no water. If the water inlet solenoid valve is faulty, replace it.

　　5. Snowflake ice machine compressor is working but the water pump has not been working (no running water)

　　 Failure reason: water pump is damaged or the inside of the water pump is fouled and blocked.

　　Maintenance method: clean the pump or replace it.

　　2. Identify the fault according to the indicator light of the ice maker

　　 Snowflake ice maker first check whether the fan and water pump are working normally, if any abnormalities, first remove them, and then check whether the compressor is Start the work. If there is no work, check the controller and compressor accessories; if it has been started, judge the refrigeration system failure and repair it according to the corresponding maintenance method.

　　1. The power indicator has been flashing quickly and the machine does not work

　　 The cause of the failure: the detection water temperature probe is open.

　　Maintenance method: Open the rear cover, open the electric control box cover above the compressor, find a three-core connector, check if there is any phenomenon of falling off or poor contact, and reconnect it.

　　2. Three ice type lights flashing cyclically, and the machine does not work:

　　 Failure reason: The machine is abnormal in ice making and de-icing;

　　 Maintenance method: Restart,

　　3. If the refrigeration system has no fault, the ice can be produced normally, but the ice has been produced without de-icing. After 90 minutes, the machine judges that it is working abnormally and makes a protective shutdown.

　　 Maintenance method: Use a multimeter to measure the resistance of the water temperature probe (when the water temperature in the water tank is close to 0 degrees, unplug the three-core wire in the control box and measure the resistance of the two wires on both sides) If the resistance is above 27K, it is judged that the controller is bad and should be replaced. If the resistance is lower than 27K, you must disconnect either of the two wires and adjust the resistance to Between 27K and 28K.

　　4. The ice full light of the snowflake cbfi ice machine flashes quickly.

　　 Failure reason: It means that the de-icing time exceeds the specified time, and the machine is automatically protected.

　　Maintenance method: Generally, in this case, just restart the machine. If it happens repeatedly, check whether the skating board swings up and down flexibly.

　　 If the two-way solenoid valve is damaged, this phenomenon will also occur. The machine can be cooled, but when the ice cube reaches the set thickness and enters the de-icing state, the water pump stops working and the ice cube does not fall off. Forced release is used during inspection. Ice (press and hold the select button for 3 seconds). If there is no obvious airflow sound in the ice maker, the two-way solenoid valve is considered to be broken. You can first check whether the solenoid valve power supply is normal. If the power supply is normal, you can replace the coil and test the valve. There are very few cases where the body itself cannot be opened.

　　 5. There is no water in the water tank, no water shortage, loose ice cubes and impurities.

　　 Failure reason: This failure is because there will be impurities in the water in the water tank after multiple ice making, or the water is rich in minerals, which will cause the surface of the water level probe to scale and affect the detection sensitivity of the probe.

　　Maintenance method: drain the remaining water to clean the inside of the water tank and clean the surface of the probe.

　　 6. There is water in the water tank, indicating water shortage.

　　Maintenance method: Check whether the two-core and three-core connectors in the control box are reliably connected. Reconnecting can usually solve the problem.

　　7. The sprinkler pipe is not flowing smoothly, and some ice cubes are incomplete:

　　 Failure reason: the sprinkler pipe hole is blocked;

　　 Repair method: in In the state of ice making and running water, use tweezers or other sharp objects to clean the debris attached to the water outlet holes on the sprinkler pipe until the water in each hole is unblocked.

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