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Biochemical incubator repair

Release Date: 2019-12-06

During the use of the biochemical incubator, you may encounter some minor faults. If you encounter a fault, you can first check the manual that came with the product. The general manual contains the maintenance method of the biochemical incubator .

The following is the introduction of Mingke Technology's troubleshooting on biochemical cultivation and maintenance of biochemical incubator:

Failure phenomenon

Inferred cause of failure

Troubleshooting

No power on

(Light does not shine)

No power at electrical outlet or poor contact with plug

repair

Box power cord is disconnected or not plugged in

Repair, reinsert

The power switch is broken (or not turned on)

Replace and turn on the power switch

Fuse cut

If the power is still blown after the replacement, you need to check the motor and other parts for short circuit (the motor will smell bad, the wire package will be black, etc.) or the shell (the insulation resistance is 0), and then turn it on after repairing.

The instrument has no display

Wiring is off or the meter is burnt out

Reconnect the wires or replace the meter

the meter shows

"----"

Defective or disconnected sensor (dropped)

Repair or replace Pt100 (100Ω at 0 ℃, 0.3Ω / ℃)

Temperature value is out of control range

Use the appropriate temperature value within the specified value

No refrigeration

Incorrect transfer switch position

Set the correct position

Compressor broken or blocked or R12 leaking

Replace, deblock, add R12

Compressor overheat protector activated

When the temperature of the compressor drops, it will recover naturally

Compressor protector burned out (burnt smell)

Replace protector

Temperature runaway and

AL1 alarm light is on

AL1 setting is incorrect

Reset

Triac is broken down

Temperature controller is bad (AL1 alarm light is off)

Replace temperature controller

Does not heat up

Large temperature control error

Contingent

Bad temperature controller

HEAT light is on, Triac is not conducting

Replace temperature controller

Using the timer function, the temperature rises and then drops

Make T1 ≠ 0

Does not heat up

Large temperature control error

Contingent

Fan is broken (not turning)

Replace the fan

Pt100 has poor contact and resistance value increases

Rewiring

Parameters (HL, SC) are set incorrectly

Reset

PID and other parameters are set incorrectly

Readjust parameters

Excessive frost on the condenser and low cooling power

Defrost

Fan sound abnormal

Or noisy

(Greater than 70db (A))

Broken fan or compressor fan

Replace the fan

Bad air duct board or blade after rubbing

Repair, replacement

铭科科技 ,由专业人员查看修理,我们提供上门维修服务。 If there is any abnormality, smell, smoke, etc. during use, please turn off the power immediately. Users should not repair it blindly. They should notify Mingke Technology . Welcome online consultation

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