Excel 800 LION
EN1B-0375GE51 R0308
68
Troubleshooting
Testing Wiring Connections
The 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. 96 Testing wiring connections
Troubleshooting on the CLLIONLC01 Controller
The following LEDs of the CLLIONLC01 Controller can be used for troubleshooting purposes:
• Power LED (green)
• Alarm LED (red)
• L
ON
W
ORKS
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 Goes out briefly
• The operator has activated the reset button
• The controller is performing a warm start
No action necessary
Table 68 CLLIONLC01 power LED
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