Diagnostics - Eaton ESR5-NO-31-UC Manual

15 Diagnostics

15.1 General states
26
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.
WARNING

LOSS OF FUNCTIONAL SAFETY DUE TO MALFUNCTION
If the proof test contains errors, the device no longer functions
correctly.
▶ Replace the device.
PWR  IN1/2  K1  K2 
LED LED LED LED
ON OFF OFF OFF
ON ON OFF OFF
ON ON ON ON
Manual ESR5-NO-31-UC 07/2017 MN049014 EN www.eaton.com
State
No relay has picked up. 
The sensor circuit is inactive.
The sensor circuit is active. 
Relays K1 and K2 are ready to start and await
reset/start command (S34 or S35).
The sensor circuit is active. 
All relays arepicked up.
Notes
Possible error
￫ Section 15.2, „Error
messages", page27
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