Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD - Manual (Page 118)

Troubleshooting
Chapter 7
7Ć34
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
1101 0001 D1 T Top Triac 7 off when commanded on. 1
1101 0010 D2 T Ethr Triac 0 off when commanded on. 1
1101 0011 D3 T Ethr Triac 1 off when commanded on. 1
1101 0100 D4 T Ethr Triac 2 off when commanded on. 1
1101 0101 D5 T Ethr Triac 3 off when commanded on. 1
1101 0110 D6 T Ethr Triac 6 off when commanded on. 1
1101 0111 D7 T Ethr Triac 7 off when commanded on. 1
1101 1000 D8 T Top Triac 0 remains on after turned off. 1
1101 1001 D9 T Top Triac 1 remains on after turned off. 1
1101 1010 DA T Top Triac 2 remains on after turned off. 1
1101 1011 DB T Top Triac 3 remains on after turned off. 1
1101 1100 DC T Top Triac 6 remains on after turned off. 1
1101 1101 DD T Top Triac 7 remains on after turned off. 1
Fault in Valve Stem Feedback
1101 1110 DE T Main valve stem signal on when triacs are off. 1
1101 1111 DF T Alt Main valve stem signal on when triacs are off. 1
1110 0000 E0 T Aux. valve stem signal on when triacs are off. 1
1110 0001 E1 T Alt Aux. valve stem signal on when triacs are off. 1
1110 0010 E2 T Dump valve stem signal on when traics are off. 1
1110 0011 E3 T Alt Dump valve stem signal on when traics are off. 1
1110 0100 E4 T Main valve stem signal off when triacs are on. 1
1110 0101 E5 T Alt Main valve stem signal off when triacs are on. 1