Fault Event Log - Cause Description - MSA FL500 UV/IR Operating Manual

10. Fault Event Log – Cause Description
The Fault Event log shows the cause of the error or fault as it was reported by the Read Event Log
commands.
Byte Bit Hex
1 (upper) 0 0x0100
1 0x0200
2 0x0400
3 0x0800
4 0x1000
5 0x2000
6 0x4000
7 0x8000
0 (lower) 0 0x0001
1 0x0002
2 0x0004
3 0x0008
4 0x0010
5 0x0020
6 0x0040
7 0x0080
Description
Alarm High relay
Alarm Low relay
Fault relay
Output current
Alarm Test input/output
Not used
UV 10 minutes
Alarm Reset switch shorted
Internal voltage
Not used
IR COPM
UV COPM
Low supply voltage
Noncritical EEPROM
EEPROM checksum
Flash checksum
FL500 HART® Communication Operating Manual
Fault Event Log – Cause Description
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