Popular Searches:
Q : GD270-200-4 reports UV fault in asynchronous motor water pump application — how to fix it?
A: GD270-200-4, Asynchronous motor water pump Application, fault phenomenon: operation reports UV. How to solve it?
Reason analysis:
1 The static measurement main circuit is intact and the power display is normal.
2. After starting the VFD, observe that the fan does not rotate.
3. I cannot hear the sound of the contactor when I have repeatedly powered off the VFD.
4. The resistance of the contactor coil measured is normal, and the main contact is normal.
5. After replacing the power board, the contactor still does not operate.
6. Unplug 2 fan plugs, and the DC contactor will operate normally after power on.
Solution: After replacing the fan, it runs normally under load.
More Resources
Services
Learn about INVT’s global after-sales policies, service processes, and technical support commitment.
Learn More
Downloads
Get product catalogs, manuals, drawings, software, certificates, and more.
Download Now
Training Videos
Learn product knowledge, operation guides, and application technologies through online training videos.
Learn More
Inquiry
TOP
Popular Searches:
Repair Progress Tracking | Identity Verification
To protect your repair information, please verify using the mobile number reserved on the service order.
Verify with the reserved mobile number
Verify
SMS Verification Code *
If you cannot receive the code, please contact the after-sales hotline. 400-700-9997
Contact INVT
Get in touch with INVT. Our team will get back to you shortly.
Full Name *
Company Name *
Email Address *
Phone Number *
Country *
City
Inquiry Type *
Product Category *
Select the product you're interested in.
-
Industrial Automation
-
Network Power
-
PV & ESS
-
e-Mobility
Your Message / Requirements *
I have read and agree to INVT Privacy Policy and Terms of Use
Captcha *
