Siemens 400 V / 210...590 A operating instructions 14-7

01.2004						Faults and Alarms
				Alarm messages
	Alarm		Param-	Description		Remedial measures
	No.		No.
			Bit No.
	A039		P955	Electrical off	Check
				The electronics voltage supply is not o.k.	• the ext. 24 V voltage supply -G1
		6			• the digital input and signal lead for monitoring of
						the ext. 24 V voltage supply
	A040		P955	Supply voltage	Check
				The voltage at the input terminals is outside the	•	the line voltage
				rated range (< 80 % or > 110 % of P071) in
		7			•	P071 Line voltage
				operation
	A047		P955	Reactive current limited	Check the
				The reactive current of the AFE is limited.	•	line voltage (r030)
		14			•	maximum current (P173)
					•	motor-mode current limit (P160)
					•	generator-mode current limit (P161)
	A048		P955	Vd2t integrator	Check the
				The monitoring function of the maximum	•	line voltage (r030)
		15
				continuous DC link voltage (using the Vd2t-	•	DC-link voltage (r006)
				integrator) has reached 50 % of the final value. If
				the high DC link voltage is caused by a high
				capacitive reactive current, then this might be
				limited (A047). If the high DC link voltage is caused
				by a high line voltage (r030), the line overvoltage
				fault (F003) message will be activated eventually
				(depending on the amplitude of Vd).
	A049		P956	No slave	P660 SCI AnalogInConf
				On the ser. I/O (SCB1 with SCI1/2), no slave is	•	Check slave.
		0
				connected or fiber optic is interrupted or no supply	•	Check fiber optic.
				to slaves.
	A050		P956	Slave incorrect	Check P660 SCI AnalogInConf
				On the ser. I/O, the slaves connected do not
		1
				correspond to the parameter setting (slave number
				or slave type).
	A051		P956	Peer bdrate	Match baud rates of SCB boards involved in the
				Baud rate for peer connection is too high or	link P684 SCom/SCB Baud
		2
				different.
	A052		P956	Peer PZD-L	Reduce the number of words
				PZD length set too high for peer connection (>5).	P686 SCom/SCB # PrDat..
		3
	A053		P956	Peer Lng f.	Match word lengths of sender and receiver
				The PZD lengths of the sender and receiver in the	P686 SCom/SCB # PrDat
		4
				peer connection do not match.
	A057		P956	TB-Param	Replace TB configuration (software).
				Alarm occurs if a TB is logged on and connected,
		8
				but it does not respond to parameter jobs from the
				PMU, SCom1 or SCom2 within 6 s.

Siemens AG 6SE7087-6CX86-2BA1	14-7
SIMOVERT MASTERDRIVES AFE Operating Instructions