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FC410 with Modbus
Operating Instructions, 02/2016, A5E33120874-AC
79
Alarms and system messages
8
8.1
Alarm messages
In the following tables the bits for alarm group 1 and alarm group 2 can be found along with
possible causes and directions for corrective action.
Alarm group 1 (Modbus address 3012)
Bit
Diagnostic
Action
4
5
Sensor supply volt. out of range Contact Siemens customer support
6
7
8
9
Temperature measurement fault Contact Siemens customer support
10
11
12
13
Flow values not valid
Can be due to problems with measured fluid or hardware malfunction. If the
failure continues then contact Siemens customer support
14
Invalid calibration data
Contact Siemens customer support for recalibration
15
Invalid compensation data
Contact Siemens customer support
17
18
Malfunction in Pickup Amplitude Contact Siemens customer support
23
24
25
Malfunction in sensor driver
Contact Siemens customer support
26
Unstable driver oscillation
Contact Siemens customer support
27
Massflow out of specification
Reduce the flow. If the failure continues then contact Siemens customer
support
28
Volumeflow out of specification
Reduce the flow. If the failure continues then contact Siemens customer
support
29
Density out of specification
Contact Siemens customer support
30
Fluid temp. below limit
Increase the fluid temperature. If the failure continues then contact Siemens
customer support
31
Fluid temp. above limit
Reduce the fluid temperature. If the failure continues then contact Siemens
customer support