Honeywell Excel 800 SYSTEM User Manual

Troubleshooting Excel 800
EN1B-0375GE51 R0910
76
C-Bus Tx and Rx LEDs
case C-Bus LEDs Meaning Remedy
If the C-bus is functioning properly, then the
XCL8010 Controller is functioning properly.
No action necessary
1
Both LEDs are flashing
If the C-bus is not functioning properly, then
the termination can be wrong.
► Check C-bus termination switch S1
(location: see Fig. 48 on page 33)
2
Both LEDs are OFF
No C-bus communication.
► Check C-bus settings
3 Both LEDs are flashing
synchronously
No C-bus communication.
► Check C-bus wiring
Table 74 XCL8010 C-Bus Tx and Rx LEDs
HMI Tx and Rx LEDs
case HMI LEDs Meaning Remedy
1
Both LEDs are flashing
If the HMI Interface is functioning properly,
then the XCL8010 Controller is functioning
properly.
No action necessary
2
Both LEDs are OFF
No HMI Interface communication.
► Check HMI Interface connection and
proper earthing of connected
hardware
Table 75 XCL8010 HMI Tx and Rx LEDs
Modem Tx and Rx LEDs
case Modem LEDs Meaning Remedy
1
Both LEDs are flashing
If the Modem Interface is functioning properly,
then the XCL8010 Controller is functioning
properly.
No action necessary
2
Both LEDs are OFF
No Modem Interface communication.
► Check Modem Interface connection
Table 76 XCL8010 modem Tx and Rx LEDs

Honeywell Excel 800 SYSTEM Specifications

General

Brand	Honeywell
Model	Excel 800 SYSTEM
Category	Controller
Language	English