Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD - Manual (Page 121)

Troubleshooting
Chapter 7
7Ć37
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
1 1101 1000 1D8 T Ethr Triac 8 remains on after triacs turn off.
1 1101 1001 1D9 T Ethr Triac 9 remains on after triacs turn off.
1 1101 1110 1DE T MicroĆinch valve stem input is on when triacs are off.
1 1101 1111 1DF T Alt MicroĆinch valve stem input is on when triacs are off.
1 1110 0100 1E4 T MicroĆinch valve stem input is off when triacs are on.
1 1110 0101 1E5 T Alt MicroĆinch valve stem input is off when triacs are on.
1 1110 1010 1EA T MicroĆinch valve stem input remains on after triacs turn off.
1 1110 1000 1E8 T Alt MicroĆinch valve stem input remains on after triacs turn off.
1 1111 1111 1FF N Lamp test in progress
2 Refer to ACTIVE indicator (table 7.A) or FAULT indicators (table 7.B).
Now that you have read this chapter, you should have a general idea of
how to safely troubleshoot your press system. This chapter showed you
how to interpret the diagnostic diagnostic message codes and status
indicators of your clutch/brake controller. It also referred you to the
associated connection diagrams for locating the fault.
Summary
Diagnostic diagnostic message
codes in Table 7.C