The power failures are mostly due to unreasonable. Demolition of the spring-insulated jacket power cord, untie L, N contacts were measured with a multimeter L, N power cord, found nowhere L line. After examination of the power cord clamping clip root fracture. The reason is that there hardened insulating belt, pulling together a long time with the Department of traction caused by broken power lines caused the failure. Remove the clamp, cut the power cord at the break, pulled back about 25 mm long power cord, installed clamp, as is connect the power cord, the contacts required insulation tape wrapped, stuffed insulation jacket connection point, power on, refrigerators work, troubleshooting.DMiservice manual download site