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buy@FrequencyConverter.net tech@FrequencyConverter.netFrequency Converter Troubleshooting and Maintenance
Frequency Converter Troubleshooting
Please pay attention to internal high voltage components of the frequency converter, only qualified electricians can maintain and troubleshoot the frequency converter. Turn off the frequency converter before proceeding troubleshooting procedures if it's not necessary to do a live troubleshooting.
| Phenomenon | Inspection methods | Troubleshooting |
| No input power |
1. Input switch is turn on or not? 2. Input voltage is right or not? 3. The fuse is burn down or not? |
1. Turn the power supply input switch. 2. Connect to correct voltage power supply. 3. Check the fuse and replace the fuse with same specification if necessary. |
| Output power outage |
1. Is it power off or momentary power off? 2. Is it overload? |
1. Press the activate switch (ON) to reboot 2. Make sure the loads are within the frequency converter's capacity. |
| No output voltage |
1. Is the fuse burn down or not? 2. Is it overloaded? |
1. Check the fuse and replace the fuse with same specification if necessary. 2. Replace a larger capacity frequency converter |
| Voltmeter, ammeter and power show "0" when the output frequency is normal. |
|
1. Turn the power switch to "OFF" position. 2. Change output voltage switch to zero. 3. Turn the power switch to "ON" position. |
| Voltmeter, ammeter and power show "0" and alarm rings when the output frequency is normal. |
|
1. Check and decrease the loads' current. 2. Press the shutdown/reset button (OFF/RESET) 3. Re-operation |
| High temperature |
1. Is it overload? 2. Cooling fan speed is slowdown or not to work |
1. Decrease loads. 2. Replace a new cooling fan. |
| Emergency |
|
Please advise: 1. Frequency converter model & serial number. 2. Date & Time of the failure. 3. Loads. 4. Detailed description of the failure. |
Frequency Converter Maintenance
GoHz frequency converters do not require daily maintenance, but a regular maintenance is benefited of longer lifetime, the maintain times is in accordance with the environmental conditions.
Preventive Measures:
- Do not put any liquid objects on the top of the frequency converter.
- If the frequency converter is installed in a harsh environment, such as windy and dusty, pay more attention to make the frequency converter clean or do more frequent maintenances.
- Turn off the power switch
- Clean inner dusts
- Wipe the cabinet, cover and venting holes with a soft cloth and detergent.
- Visual inspection of all power lines and terminals, see if there is collision, loose, hot corrosion, moisture, insect bites or rat bites, do some repairs or replaces if necessary.
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