113 / 157V3.3 11.07.2007 KRC-AD-KRC2ed05-BA en
11. Troubleshooting
LEDs 1 and 2
LEDs 3 and 4
LED 5
LED 6
KCP display The following KSD error messages are displayed in the message window of
the KCP:
LED 1 LED 2 Priority Meaning
Off Off - Processor without power
supply
Off Flashes at
1.5 Hz
- Intermediate circuit voltage
below 60 V
Off On - Intermediate circuit voltage
above 60 V
Flashes at
6Hz
- 1 Communication error
Flashes at
3Hz
- 2 Brake error
On Off 3 Main contactor K1 stuck
Flashes 5
times at
1.5 Hz
- 4 Error in BEA signal (signal
for flow of current through
the ballast resistor)
Flashes 4
times at
1.5 Hz
- 5 Ballast error
Flashes 3
times at
1.5 Hz
- 6 Overvoltage in intermediate
circuit
Flashes 2
times at
1.5 Hz
- 7 Overtemperature in interior
/ heat sink
Flashes
once at
1.5 Hz
- 8 Fault in the low voltage sup-
ply (24 V not present)
If more than one fault occurs simultaneously, the fault with the highest priority
is displayed. (1 = highest priority, 8 = lowest priority)
After 4 s, the red LED again flashes n times.
LED 3 LED 4 Meaning
On Off External E-STOP activated
On On Local EMERGENCY STOP activated
Off On Internal ESC fault
LED 5 Meaning
Off Robot brakes not activated
On Robot brakes activated
LED 6 Meaning
Off External axis brakes not activated
On External axis brakes activated