Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD - Manual (Page 119)

Troubleshooting
Chapter 7
7Ć35
diagnostic message codes are displayed by indicators connected to module group 5, slot 1 (figure 6.18), or by displaying the corresponding
data table word using the industrial terminal.
Use this table in conjunction with figure 7.1 and figure references shown in parentheses.
Type of Message
N = NonĆlatched
L = Latched
T = Trip Condition
Code
P = at PowerĆup
Alt = Alternate chassis
Ethr = Either chassis
Top = Top chassis
Bot = Bottom chassis
Binary Diagnostic Message (figure References) Code Type Hex
1110 0110 E6 T Aux. valve stem signal off when triacs are on. 1
1110 0111 E7 T Alt Aux. valve stem signal off when triacs are on. 1
1110 1000 E8 T Dump valve stem signal off when traics are on. 1
1110 1001 E9 T Alt Dump valve stem signal off when traics are on. 1
1110 1010 EA T Main valve stem signal remains on after triacs turn off. 1
1110 1011 EB T Alt Main valve stem signal remains on after triacs turn off. 1
1110 1100 EC T Aux. valve stem signal remain on after triacs turn off. 1
1110 1101 ED T Alt Aux. valve stem signal remain on after triacs turn off. 1
1110 1110 EE T Dump valve stem signal remains on after traics tuirn off. 1
1110 1111 EF T Alt Dump valve stem signal remains on after traics tuirn off. 1
Hardware or Cable Fault
1111 0000 F0 T Alt Chassis power tripped or chassis restarted. (6.1, 6.6)
1111 0001 F1 L Lost communications between 1771ĆPM modules. Reset latched message, check cables, or
cycle power. (3.3)
1111 0010 F2 L Lost communications with PC. Reset latched mesage, check cables, or cycle power. (3.3)
1111 0011 F3 L Alt Lost communications with PC. Reset latched mesage, check cables, or cycle power. (3.3)
1111 0100 F4 N Lost communications between 1771ĆPM modules. 2
1111 0101 F5 N Hardware fault in 1771ĆPM module. Replace it.
1111 0110 F6 N Turn off backplane switch 1. (3.4)
1111 0111 F7 N Hardware fault in 1771ĆPM module. 2
1111 1000 F8 N Not used
1111 1001 F9 N Hardware fault in 1771ĆPM module. 2
1111 1010 FA N 1771ĆPM modules must be same revision.
1111 1011 FB N Hardware fault in 1771ĆPM module. Replace it.