Table 26 - Led Indications On Controller Cpus - Honeywell HC900 Installation And User Manual

Diagnostics and Troubleshooting - Controller CPU indicators
CPU Figure
model 79 item
All models 1 Controller Status
All models For legacy systems,
RS-232/RS-485 S1 port
2 For new systems, RS-
485 S1 port
XMT/RCV
All models For legacy systems,
RS-232/RS-485 S2 port
For new systems, RS-
3
485 S2 port
XMT/RCV
All models E1 port
4 Upper LED
5 Lower LED
C70 E2 port
C75
6 Upper LED
7 Lower LED
C50 I/O port
C70
8 Upper LED
C75
9 Lower LED
Revision 19
06/14
Table 26 – LED Indications on Controller CPUs
LED LED State/Color
Off
Solid Red
Blinking Yellow
Blinking Red
Solid Green
Blinking Green
Solid Yellow
Yellow/Green
Yellow/Green
Yellow (On/Off)
Green (On/Off/Flash)
Yellow (On/Off)
Green (On/Off/Flash)
Yellow (On/Off)
Green (On/Off/Flash)
HC900 Process Controller Installation and User Guide
Description
No power.
Failed
Failed
(Diagnostic Code; refer to Table 27.)
PROGRAM Mode
RUN Mode
OFFLINE Mode
Yellow when transmitting, green when
receiving.
Yellow when transmitting, green when
receiving.
On for 100Base-T, Off for 10Base-T
On for connection, Off for no
connection, Flash for activity
On for 100Base-T, Off for 10Base-T
On for connection, Off for no
connection, Flash for activity
On for 100Base-T, Off for 10Base-T
On for connection, Off for no
connection, Flash for activity
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