代碼 230021: <location>Power unit: Ground fault

Message value: %1 Drive object: All objects Reaction: OFF2 Acknowledge: IMMEDIATELY Cause: Power unit has detected a ground fault. - ground fault in the power cables - winding fault or ground fault at the motor. - CT defective. Additional cause for CU310/CUA31: - when the brake is applied, this causes t he hardware DC current monitoring to respond. Additional cause for parallel sw itching devices (r0108.15 = 1): - the closed-loop circulating current control is either too slow or has been set too fast. Fault value (r0949, interpret decimal): Absolute value, summation current [32767 = 271 % rated current]. Remedy: - check the power cable connections. - check the motor. - check the CT. The following applies addi tionally for CU310 and CUA31: - check the cables and contacts of the br ake connection (a wire is possibly broken). For parallel switching devices (r0108.15 = 1) the following additionally applies: - check the ground fault monitoring thresholds (p0287). - check the setting of the closed-loop circulating current control (p7036, p7037). See also: p0287 (Ground fault monitoring thresholds)