During operation, there are many causes that affect the inverter and cause the inverter to fail. So what are the common errors of Danfoss inverters? How to handle them? This question will be answered by Hao Phuong in the article below!
Danfoss inverter and how to handle common errors
Danfoss is currently the world’s largest inverter manufacturer. The Danfoss-branded inverters are widely applied in the industry, with full of powerful features and perfect operability. However, in reality, the inverter always has to operate continuously, efficiently and best for a long time, so there are many causes that affect the inverter such as: temperature, environment, operating load, etc. … and cause the inverter to fail.
But these problems, will become simpler when you know how to handle them, let’s Hao Phuong learn how to handle common errors for Danfoss inverters.
How to handle common errors for Danfoss inverters
|
Common errors |
How to handle common errors |
| 4: Loss of phase | Check voltage source
Check the power cord Power test |
| 7: DC overvoltage | Check DC bus power
Power test |
| 8: DC undervoltage | Check DC bus power
Power test |
| 9: Inverter overload | Check capacity
Check the output line Check DC bus power |
| 13: Overcurrent | Power test
Check the output line Check DC bus power Check Motor |
| 16: Short circuit fault | Power test
Check the output line Check DC bus power Check Motor |
| 30: Missing phase U | Check the power cord
Check the supply voltage Power test |
| 31: Missing phase V | Check the power cord
Check the supply voltage Power test |
| 32: Missing phase W | Check the power cord
Check the supply voltage Power test |
| 47: Voltage error | Check power cord
Check the supply voltage Power test |
| 59: Current fault | Power test
Check the output line Check DC bus power Check Motor |
Some other frequently asked questions
| Question | Answer |
| How to reset the inverter | 14-22= 2 and turn off the power. Turn on the power press Off Reset to clear the warning |
| How to control frequency by internal rheostat | Press Hand On and adjust frequency by a rheostat, press Off Reset to stop |
| Multi-speed running | 1-20= — Motor power
1-22= — Motor voltage 1-23= 50 Motor frequency 1-24= — Motor current 1-25= — Motor revolutions 3-10=— Set speed levels in % 3-41= 5 Acceleration time 3-42= 6 Deceleration time 5-10= 8 Start Button 5-12= 16 Preset ref bit 0 5-13= 17 Preset ref bit 1 5-15= 18 Preset ref bit 2 |
| Run Forward/Reverse and change frequency by external rheostat | 1-20= — Motor power
1-22= — Motor voltage 1-23= 50 Motor frequency 1-24= — Motor current 1-25= — Motor revolutions 3-15= 2 Runs on analog signal 3-41= 5 Acceleration time 3-42= 6 Deceleration time 5-10= 12 Run Fast 5-11= 13 Running Backwards |
| Start/Stop and change frequency by external rheostat | 1-20= — Motor power
1-22= — Motor voltage 1-23= 50 Motor frequency 1-24= — Motor current 1-25= — Motor revolutions 3-15= 2 Runs on analog signal 3-41= 5 Acceleration time 3-42= 6 Deceleration time 5-10= 8 Start 5-11= 6 Stops |
| Run Forward/Reverse and change frequency by 2 push buttons | 1-20= — Motor power
1-22= — Motor voltage 1-23= 50 Motor frequency 1-24= — Motor current 1-25= — Motor revolutions 3-41= 5 Acceleration time 3-42= 6 Deceleration time 5-10= 12 Run Fast 5-11= 13 Running Backwards 5-12= 21 Speed up 5-13= 22 Slow down |
Hao Phuong – The leading Danfoss inverter importer and distributor in Vietnam
Over 16 years of establishment and development, Hao Phuong has become an importer and distributor of industrial electrical equipment of many famous brands in the world such as: Danfoss (Denmark), Fuji Electric (Japan). ), Idec Izumi (Japan), Circutor (Spain), Togi (Japan), … With full human resources, professional knowledge, practical experience, …
Hao Phuong confidently meets all the needs of customers and commits to:
- Provide quality products that meet ISO 9001:2015 quality standards for distribution of industrial electrical equipment.
- The best installation, warranty and maintenance service in the market.
- Ready to advise, support and answer customer questions 24/7.
- Diversified after-sales policy, helping customers feel secure when using.
