Fault Displays And Alarms On The Basic Unit - Siemens SIMOVERT MASTERDRIVES Operating Instructions Manual

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6.2

Fault displays and alarms on the basic unit

Alarms
Siemens AG 6SE7087-6NX84-0GB0
SIMOVERT MASTERDRIVES
If errors/faults occur in initialization of CBL, corresponding errors or
alarms are also displayed on the PMU or OP1S of the basic unit.
Alarm
A 035 Alarm message from converter:
After power-up till data transmission between PLC cpu and CBL the alarm
message A035 will occur and will be displayed (control bits 11 and 12 equals
0!). The duration depends on the converter type and the configuration (tech
board plugged?) and take some seconds. After starting data transmission via
CC-Link to PLC cpu the alarm will be automatically cleared.
A 081 Invalid P715
A 082
Invalid P716
A 083
Invalid P717
A 084 Invalid P718
•
Wrong parameter number (parameter of technology board)
•
Parameter number according to technology board and technology
board not plugged
⇒ Change parameter value
A 085 Invalid P712
•
invalid switches (bits) are activated in P712
⇒ Check P712 and change parameter value
A 086 CBL is waiting for scaling parameters
•
CBL requests the scaling parameters and is waiting for reply; Tech
board or base board perhaps in initialization mode.
If CBL don't clear this warning after a time period
⇒ Check converter status
⇒ Check base board or tech board
A 087 CBL hardware error
•
CBL detects hardware error
•
CBL detects improper state
•
CBL not correctly inserted into the electronics box
⇒ Restart converter
⇒ Check connection between converter (CU) and CBL
⇒ Replace CBL
A 088 CBL communication error
•
CBL detects improper status at communication with CU
•
CBL not correctly inserted into the electronics box
⇒ Restart converter
⇒ Check connection between converter (CU) and CBL
⇒ Replace CBL
⇒ Replace CU
A 089
Warnings of second CB
...
subtract 8 and look for the warning code documentation of used (second)
A 096 CB.
•
Possible cause
⇒
Remedy
Table 6-16 Alarm displays on the basic unit
Operating Instructions
Diagnosis and troubleshooting
Meaning
6-7