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Zhengzhou Greatwall Scientific Industrial and Trade Co.,Ltd
Zhengzhou Greatwall Scientific Industrial and Trade Co.,Ltd
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Common problems of 5Liter,10Liter,20Liter,50Liter Digital Rotary Evaporator

Zhengzhou Greatwall Scientific Industrial and Trade Co.,Ltd
Zhengzhou Greatwall Scientific Industrial and Trade Co.,Ltd
City: Zhengzhou
Province/State: Henan
Country/Region: China
Tel: 86-186-37129597
Contact Person:
Mrs nancy

Common problems of 5Liter,10Liter,20Liter,50Liter Digital Rotary Evaporator

Place of Origin : China
Brand Name : Greatwall
Certification : ISO 9001
Model Number : R-1005,R-1010,R-1020,R-1050
Price : $ 2,100 - $4,400
Packaging Details : wooden box
Delivery Time : within 7 days after receiving the payment
Payment Terms : T/T
Supply Ability : 100 sets/month
MOQ : 1 sets
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Common failure and solutions of Zhengzhou Greatwall 5L 10L 20L 50L Rotary Evaporator

Failure

Cause

Troubleshooting

Connect the power supply, the power indicator lamp doesn't light or LCD panel does not light.

Check the power line and find out whether it’s through or misconnected.

Connect the power line.

Failure of power switch.

Replace power switch.

Failure of circuit board.

Stop using immediately and contact us.

The power indicator lamp lights

or rotation allows identifier lights,

but does not rotate.

Failure of motor.

Failure of circuit board.

The heating output, but not warming up.

The solid state relays fault.

Replace the solid state relays

Heater fault.

Replace heater.

The temperature display shows up

The bath of temperature measurement sensor short circuit or open circuit.

Check sensor and wiring.

The temperature display shows “Er-1”,ALM1 identifier lights

The bath of temperature measurement sensor short circuit or open circuit.

Check sensor and wiring.

The temperature display shows “Er-2”,ALM1 identifier lights

The bath of protection sensor short circuit or open circuit.

The temperature display shows “Er-3”,ALM1 identifier lights

The bath of protection sensor exceeds the set value.

Restart the power switch.

The speed display shows “Er-1”,ALM2 identifier lights.

Power module fault.

Remove the rotary bottle,

no-load operation. The fault has not been lifted, discontinue use immediately and contact the company.

The speed display shows “Er-2”,ALM2 identifier lights.

Motor stall.

The speed display shows “Er-3”,ALM2 identifier lights.

Holzer logic error.

The speed display shows “Er-4”,ALM2 identifier lights.

Bus voltage under voltage.

Check the power supply voltage value.

The speed display shows “Er-5”,ALM2 identifier lights.

Bus voltage over voltage.

The speed display shows “Er-6”,ALM2 identifier lights.

Serial communication fault

Stop using immediately and contact us.

Abnormal noise

Abrasion of seal ring.

Replace the seal ring.

Abrasion of internal gear.

Stop using immediately and contact us.

Lack of oil in drive part.

Failure of motor.

Leakage of pressure and poor degree of vacuum

Abrasion of glass rotary shaft.

Replace the glass rotary shaft.

Abrasion of seal ring.

Replace the seal ring.

Improper installation of seal ring (Opposite direction)

Remount the seal ring.

Aging of the seal ring of pressure-relief air tap.

Replace the air tap seal washer

Aging of vacuum hose.

Replace the vacuum hose.

Abnormal lifting

Failure of circuit board or motor.

Stop operating immediately and contact us.

Abrasion or rusting of sliding bearing.


Brief introduction of Rotary Evaporator:

- Ideal for Distill of (Mixed) Solvent, Condensation Solution and Suspension, Concentrate Liquid, Re-crystallizaton, Dry Powder and Granulate, Synthesize Chemical, Soxhlet Extraction, Recycle Solve.

- Water Bath Electric Lift, Easy to Use.

- Teflon(PTFE) and Fluorine Rubber Dual Rotating Seal, Patented Technology to Ensure High Vacuum.

- A Vacuum Switching Valve, without Affecting the System Vacuum Distillation of the Situation and the Solution can be Continuously Collected.







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