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CO2 incubator common failures and solutions

1. If the incubator does not respond after plugging in the power supply and opening the power switch.
A. The power switch is not energized, or power line problems, with a multimeter "Ω" file, measuring the power switch and into the line there is no break.
B. Switching power supply is normal, temperature control instrument damaged or its switch to the instrument loaded wire failure. Use a multimeter to check respectively.
2. Plug in the power supply, open the power switch leakage tripping
A. Open the power switch, immediately tripped. Dial out the power plug, the motor into the line cut off, and then plugged into the power supply is normal that the motor leakage, replace the motor.
B. Open the power switch, delayed tripping, carbon fiber electric heating film leads to leakage is more likely. Available multimeter measurement, replacement.
3. Temperature control table shows normal, but not heating
A. Instrument damaged: use a multimeter to measure the voltage of its loading terminal
B. Carbon fiber heating film is damaged: use a multimeter to measure the resistance value of the two terminals
C. Relay open circuit damage. 4;
4. The instrument shows the temperature difference with the temperature measured in the incubator
A. When the difference is slightly large, replace the probe to try.
B. When the difference is small, adjust the parameter value pb. pb value = actual measured temperature inside the box - meter display temperature
5. Table display temperature and the set temperature difference is large or out of control
A. Temperature control table is damaged: replace a new one
B. Probe parameters change, replace a new one
6. The temperature display appears to jump or static, or the button does not move and other symptoms
Temperature control table damaged or probe damaged, determine the method: the probe line from the temperature control table to take down, power on the test, see "----" line position and remove the position before there is no change. If there is a change, both to determine the temperature control table damage, replace a new one; if there is no change, both to determine the probe damage, replace a new one
7. Carbon dioxide concentration does not reach
A. Gas valve failure or leakage
B. The sensor of gas concentration failure or proportional glass tube leakage
C. Instrument failure

In the previous:Common faults of the oscillating incubator and repair The next article:Common faults and repair of Industrial oven
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