Walchem W600 - Alarm Bitfields; System Alarm Bitfield; Network Alarm Bitfield

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5.5 Alarm Bitfields
Alarm bitfields are comprised of an 8-bit field encapsulated in a 16-bit word. Bit 1 is the least significant
bit, bit 8 is the most significant bit. See 4.4.2.2 16-Bit Word (Bitfield)
for details. Some alarms have
multiple causes, consult the Controller Instruction Manual for a comprehensive list of possible alarm
causes.
5.5.1 System Alarm Bitfield
System Alarm Bitfield
Bit Name
Bit No.
Description
Temperature Alarm
1
Controller internal temperatures fall below -10°C or exceed 75°C.
Battery Low
2
The button-cell battery voltage falls below 2.4VDC.
Invalid Setting
3
A hardware change creates invalid settings.
Software Version
4
The firmware of an add-on card needs to be updated.
Board Failure
5
An internal controller component has failed.
Internal Voltage
6
One or more internal (3.3V, 5V, 12V) voltage signal is out of range.
Unused
7
Unused
8
5.5.2 Network Alarm Bitfield
Network Alarm Bitfield
Bit Name
Bit No.
Description
Web Server Failure
1
Internal error when the web server on the Ethernet card fails.
VTouch Data Comm
2
Controller cannot send data to VTouch.
VTouch LiveConnect
3
Controller cannot create a VPN connection to the VTouch server.
Unused
4
Unused
5
Unused
6
Unused
7
Unused
8