Rockwell Automation 2705 RediPanel Push Button Module - Manual (Page 68)

Chapter 5
Maintenance and Troubleshooting
5–2
The red FAULT indicator (on front of module) indicates any software or
hardware faults not related to communications. The Fault LED indicates one
of 3 states:
•
Off
•
On
•
Blinking
FAULT State What it Means: What to do:
OFF
1. Module is operating correctly and no internal faults have
been detected.
2. Module is not receiving input power.
3. Module is in the first second of the Push-to-Test cycle.
1. Nothing
2. Nothing
3. Nothing
ON
1. The FAULT indicator is on momentarily during the powerup
sequence of the module.
2. Push-to-Test button pushed and the module has been in
the test mode for more than one second.
3. Internal fault detected.
1. Nothing
2. Nothing
3. Cycle power to module.
For 800A Push Button Modules, see the Push-to-Test
button on page 5–4.
If the fault continues, return the module to the factory for
repair.
Blinking
1. DIP switch fault.
2. Rack address and calculated size is invalid.
For example, the module is addressed for the last module
group, group 3, of a logical rack and its size was calculated
as a half rack. The functional configurations which result in
a size of two quarter racks are indicated in Chapter 4.
1. Check the following:
•
Make sure you programmed the PLC for handshaking
before enabling the handshake bit on the Push Button
Module.
•
Make sure you enabled one of the functions of the Push
Button Module (lamps or push buttons). If DIP switches
2,3 and 4 at switch location SW-2 are Off, the module is
not capable of any functions.
2. Recalculate the rack size.
FAULT During Test Mode
If the FAULT indicator was ON before you pressed the push-to-test button,
the LED will remain ON only if a fault is found. If the fault disappears and
no lamps are flashing, the FAULT indicator will turn Off.
Using the Fault Indicator