50
Appendix P: I/O board error codes
EPCT FirE sEriEs FirE PumP ConTrollEr
MN124016EN August 2019 www.eaton.com
Appendix P: I/O board error codes
Code
name
Description
PO
All is good
Everything is operating as expected
41
Communication Error
There is no communication received from the display board
42
Frequency Error
The frequency measurement is not receiving an accepted frequency (40-72Hz)
43
Zero Cross Error
The board did not receive an AC zero crossing on the Startup
44
PSU Error
One of the power supply voltages is out of spec. Voltages monitored are: 5V, 3.3V, 1.25V, -5V, 24V, 24V Drain Valve, 24V Opt Card
45
4-20mA Error
The 4-20mA current is below 3.8mA or above 20.2mA
