Technical information

10 – APPENDIX
150
Alarm
Code
Description Notes
A37 Current Imbalance This alarm exists while the MX is running and a current
imbalance above the defined threshold is detected, but the
delay for the fault has not yet expired. When the delay
expires, a Fault 37 occurs.
A38 Ground Fault This alarm exists while the MX is running and a ground
current above the defined threshold is detected, but the
delay for the fault has not yet expired. When the delay
expires, a Fault 38 occurs.
A47 Stack Overload Alarm This occurs when the stack thermal rises above 105%.
A53 Reserved
A71 Analog Input #1 Trip This alarm exists if the analog input exceeds the defined
threshold, but the delay for the fault has not yet expired.
When the delay expires, a Fault 71 occurs.