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Common faults and repair of Industrial oven

1. Plug in the power supply, open the power switch, the drying oven no response.
A. After turning on the machine, the power indicator light does not light up: (1) fuse tube is bad, change new (2) switch is bad, change new
B. After turning on the machine, the power indicator light is on: the temperature control table is bad or its wire inlet is loose. Check with a multimeter
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, the heat pipe causes leakage is more likely. Available multimeter measurement, replace the heat pipe. 3.
3. Turn on the power switch and blower switch. Both hear the "clatter" of miscellaneous sounds
A. Blower wheel screws loose, re-lock fixed both.
B. Blower wind wheel touch the wall of the oven, open the upper side of the inner liner wind wheel duct plate, re-fixed wind wheel position.
4. Temperature control table shows normal but can not be heated
A. temperature control table is bad: use a multimeter to measure its loading terminal has no 220V voltage output
B. Bad heat pipe: use a multimeter to measure the resistance value of its two ends to determine
5. Fan does not run
A. Motor bad, use a multimeter to measure the resistance value between the winding group to determine
B. Bad starting capacitor: the machine does not turn on, rotate with hand force. Replace with new one
6. Temperature control table shows the temperature difference with the temperature measured in the oven
A. When the difference is slightly large, try it with the probe replaced.
B. If the difference is small, adjust the parameter value pb. pb value = actual temperature inside the oven - display temperature of the meter
7. Table display temperature and the set temperature difference is large, that is: out of control
A. Temperature control table is bad: change the new
B. Relay burned out, replace the new
8. The temperature display appears to jump out of the display "----" phenomenon, or stationary, or the button does not press
Temperature control table bad or probe bad, determine the method: the probe line from the temperature control table down, power on the test, see "----" line position and remove the position before there is no change. If there is a change, it can be determined that the temperature control table is damaged, replace a new one; if there is no change, it can be determined that the probe is damaged, , replace a new one.

In the previous:CO2 incubator common failures and solutions The next article:Commercial drying ovens provide the ultimate drying solution for the food industry
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