Kymmene inverter maintenance, repair Kymmene Drive Troubleshooting: No display, phase, overcurrent, overvoltage, undervoltage, overtemperature, overload, earth, parameter error, there is no output display module damaged; MD380T5. 5GB, MD300T1.5B, MD280NT-0.7, MD280NT3.7GB repair process: Step one: ask the user equipment failure; the second step: According to the user's description of the problem, analyze the causes of this failure; the third step: Open in need of repair equipment, make sure the device is damaged, analyze the feasibility of recovery of maintenance; Step Four: According to the working position the device is damaged, view and analyze the circuit works, to find out the cause of damage to the device; Step Five: Contact Customer maintenance on the reported price, solicit customer maintenance advice; Part VI: Looking for the original model device to be replaced; Part VII: confirmed case of equipment failure are excluded, the power to be tested. Maintenance Features: enterprise maintenance operation, to provide ongoing support services, free checking, lines confirm the maintenance price, the customer acceptance and then for maintenance, fast, excellent price