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refrigerated showcase BCD-276AK4 computer display cooler
author: supermarket refrigerated showcase category: walk-in display coolers Views: 572Time: 2016-08-22
refrigerated showcase BCD-276AK4 computer display cooler self-saving function includes two states: system self-check and maintenance self-check.
(1) How to enter the maintenance self-inspection When the temperature zone switch key and the quick-freeze key are pressed for more than 3 seconds at the same time, it enters the maintenance self-inspection state. But every time the display cooler is powered on for 30 minutes, the display cooler automatically exits the self-check state. At this time, you need to cut off the machine's power supply and re-energize it before the machine can enter the maintenance self-check state again.
(2) Maintenance self-inspection process When the system enters the maintenance self-inspection mode, the self-inspection will be carried out according to the following procedures:
①When entering the self-inspection state, the buzzer will sound for 1 second, all displays will be on for 4 seconds, and then all loads will be turned off (The solenoid valve is turned off) for 10 seconds, the freezer temperature display window displays a 10-second countdown. If the temperature sensor of the evaporator of the multifunctional room fails, the temperature of the multifunctional room will display SC (short circuit) or OC (open circuit): if the sensor of the evaporator of the refrigerator compartment fails, the temperature of the refrigerator will display SC or OC.
②Turn on the illuminating light for 10 seconds, the temperature display window of the refrigerating compartment will display EL, and the temperature of the freezing compartment will display for 10 seconds and count down.
③Turn on the heating wire of the multifunctional room for 30 seconds, the temperature display window of the multifunctional room will display F, and the temperature display window of the freezer compartment will display for 30 seconds and count down.
④Turn on the fan motor of the multifunctional room for 30 seconds, the temperature display window of the multifunctional room will display F, and the temperature display window of the freezer compartment will display for 30 seconds and count down.
⑤Wait 3 minutes for the compressor to run.
⑥Keep the solenoid valve F energized, and other solenoid valves are powered off for 99 seconds, the display cooler temperature display window in the freezer will display for 99 seconds and count down.
⑦Keep solenoid valve F and solenoid valve M energized, solenoid valve M and solenoid valve U are de-energized for 99 seconds, and the refrigerator temperature window displays 99 seconds and counts down.
⑧ Keep solenoid valve F and solenoid valve M energized, solenoid valve R and solenoid valve U are powered off for 99 seconds, and the temperature display window of the multifunctional room will display for 99 seconds and count down.
keeps solenoid valve F and solenoid valve U energized, solenoid valve R and solenoid valve M are de-energized for 99 seconds, and the temperature display window of the freezing chamber displays for 99 seconds and counts down.
⑩Buzzer IS and all displays are all lit for 3 seconds to indicate the end of the self-test.
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