Alarm and Prompt Messages Alarms and Messages
6 - 22 046-004667-00 A7™ Operating Instructions
6.6.2.4 Flow Control System Runtime Alarm
MESSAGE CAUSE
ALARM
PRIORITY
MACHINE
MODE WHEN
CHECKED
DISABLE IN
STANDBY
MODE
Electronic Flow
Control Error
CPU AVDD Power Voltage too
low
Medium Runtime No
CPU AVDD Power Voltage too
high
Medium Runtime No
CPU DVDD Power Voltage too
low
Medium Runtime No
CPU DVDD Power Voltage too
high
Medium Runtime No
CPU DVCC Power Voltage too
low
Medium Runtime No
CPU DVCC Power Voltage too
high
Medium Runtime No
FPGA VPP Voltage too low Medium Runtime No
FPGA VPP Voltage too high Medium Runtime No
FPGA 3.3 V Voltage too low Medium Runtime No
FPGA 3.3 V Voltage too high Medium Runtime No
FPGA 1.2 V Voltage too low Medium Runtime No
FPGA 1.2 V Voltage too high Medium Runtime No
FPGA DVCC Voltage too low Medium Runtime No
FPGA DVCC Voltage too high Medium Runtime No
FPGA AVCC Voltage too low Medium Runtime No
FPGA AVCC Voltage too high Medium Runtime No
3-Way Valve Error Medium Runtime No
O
2
Branch Flow Sensor Error Medium Runtime No
Air Branch Flow Sensor Error Medium Runtime No
N
2
O Branch Flow Sensor Error Medium Runtime No
O
2
Branch Flow not Achieved Medium Runtime No
Balance Gas Branch Flow not
Achieved
Medium Runtime No
Balance Gas Branch Temp.
High
Medium Runtime No
O
2
Branch Temp. High Medium Runtime No
FPGA Error Medium Runtime No
O
2
Branch Flow
not Achieved
O
2
branch measured flow is
over the O
2
branch target
flow±max (10 %, 200 mlpm)
Low Runtime N/A *
Balance Gas
Branch Flow not
Achieved
Balance branch measured
flow is over the balance
branch target flow±max (10
%, 200 mlpm)
Low Runtime N/A *
* N/A - Not Applicable. This alarm message does not exist within this mode and therefore cannot be
disabled or enabled.
TABLE 6-7 Electronic Flow Control System Runtime Alarm Messages