Operating instructions

Messages and fault codes
7.1 Status display using LEDs
CU240S and CU240E Control Units, FW 3.2
Operating Instructions, 03/2009, A5E02440075B AA
223
Table 7- 6 Display of the fail-safe states on the CU240S DP-F
LED displays
SF
(red)
RDY
(green)
ES
(yellow)
STO
(yellow)
SS1
(yellow)
SLS
(yellow)
Possible operating and fault states
On / Off On OFF On On / Off On / Off STO parameterized
On / Off On On Flashing --- ---
• STO initiated
• STO reached
On / Off On OFF On / Off On / Off On
• SLS parameterized
On / Off On OFF --- --- Flashing
• SLS initiated
On / Off On On --- --- Flashing
• SLS reached
On / Off On OFF On / Off On On / Off
• SS1 parameterized
On / Off On OFF --- Flashing ---
• SS1 initiated
On / Off On On --- Flashing ---
• SS1 reached
On OFF On OFF OFF OFF
• Passivation
The "BF" LED has no significance for the fail-safe states of the CU240S DP-F.
LED status display for fail-safe inverters - CU240S PN-F
Table 7- 7 Display of the general states on the CU240S PN-F
LED displays
SF
(red)
RDY
(green)
ES
(yellow)
STO
(yellow)
SS1
(yellow)
SLS
(yellow)
Possible operating and fault states
On / Off Flashing On / Off --- --- ---
• Commissioning
• Restoring the factory setting
• Manual parameter download
On / Off Flashing Flashing Flashing Flashing Flashing
• Safety commissioning
• Resetting the safety parameters
Flashing Flashing Flashing Flashing Flashing Flashing Parameter download from the memory
card when switching-on
On OFF On / Off --- --- --- General fault
OFF On On / Off --- --- --- Ready
The "BF", "LNK" and "ACT" LEDs have no significance for the general state of the CU240S
PN-F