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Manual ESR5-NO-31-UC
07/2017 MN049014 EN www.eaton.com
15 Diagnostics
WARNING
LOSS OF FUNCTIONAL SAFETY DUE TO MALFUNCTION
The following section describes the LED indicators for general states and
error messages as well as possible causes and remedies.
Function test / Proof test
To verify the device function, proceed as follows:
▶
Demand the safety function by actuating the corresponding safety
equipment.
▶
Check whether the safety function was executed correctly by switching
the device on again.
If the device does not switch on again, the proof test failed.
15.1 General states
If the proof test contains errors, the device no longer functions
correctly.
▶
Replace the device.
PWR
LED
IN1/2
LED
K1
LED
K2
LED
State
Notes
ON
OFF
OFF
OFF
No relay has picked up.
The sensor circuit is inactive.
Possible error
ON
ON
OFF
OFF
The sensor circuit is active.
Relays K1 and K2 are ready to start and await
reset/start command (S34 or S35).
ON
ON
ON
ON
The sensor circuit is active.
All relays arepicked up.
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