Honeywell Excel 800 SYSTEM User Manual

Excel 800 Troubleshooting
73 EN1B-0375GE51 R0910
Troubleshooting
Testing Wiring Connections
Push-in terminals feature small holes (1 mm in diameter)
which can be used to measure the signals.
► Insert a probe (1) as shown on the right.
Fig. 109 Testing wiring connections
Troubleshooting on the XCL8010 Controller
The following LEDs of the XCL8010 Controller can be used for troubleshooting purposes:
 Power LED (green)
 Alarm LED (red)
 LONWORKS service LED
 C-Bus Tx and Rx LEDs
 HMI Tx and Rx LEDs
 Modem Interface Tx and Rx LEDs
Power LED (green)
case Power LED Meaning Remedy
1 ON
Normal operation No action necessary.
2 Flashing
One or more of the internal voltage supplies
are outside of the permissible ranges. The
controller stops operation.
► Check power.
► Check wiring.
► If problem persists, replace hardware.
3 Is extinguished briefly

The operator has activated the reset
button.
 The controller is performing a warm start.
No action necessary.
Table 71 XCL8010 power LED

Honeywell Excel 800 SYSTEM Specifications

General

Brand	Honeywell
Model	Excel 800 SYSTEM
Category	Controller
Language	English