Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD - Manual (Page 117)

Troubleshooting
Chapter 7
7Ć33
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 Hex Type Code Diagnostic Message (figure References)
1011 1100 BC T Air pressure signal present though air pressure feedback is not configured.
1011 1101 BD T Air pressure signal on when triacs are off.
1011 1110 BE T Air pressure signal on when triacs are on.
1011 1111 BF T Air pressure signal remains after triacs turn off.
Triac Fault
1100 0000 C0 T Ethr Triac 0 on when commanded off. 1
1100 0001 C1 T Ethr Triac 1 on when commanded off. 1
1100 0010 C2 T Ethr Triac 2 on when commanded off. 1
1100 0011 C3 T Ethr Triac 3 on when commanded off. 1
1100 0100 C4 T Ethr Triac 6 on when commanded off. 1
1100 0101 C5 T Ehtr Triac 7 on when commanded off. 1
1100 0110 C6 T Bot Triac 0 on when commanded off. 1
1100 0111 C7 T Bot Triac 1 on when commanded off. 1
1100 1000 C8 T Bot Triac 2 on when commanded off. 1
1100 1001 C9 T Bot Triac 3 on when commanded off. 1
1100 1010 CA T Bot Triac 6 on when commanded off. 1
1100 1011 CB T Bot Triac 7 on when commanded off. 1
1100 1100 CC T Top Triac 0 off when commanded off. 1
1100 1101 CD T Top Triac 1 off when commanded off. 1
1100 1110 CE T Top Triac 2 off when commanded off. 1
1100 1111 CF T Top Triac 3 off when commanded off. 1
1101 0000 D0 T Top Triac 6 off when commanded on. 1