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6 Diagnostics
10
ESR5-NOS-31-230VAC
12/19 MN049013EN
www.eaton.com
6 Diagnostics
○
– LED o
ff
●
– LED on
Table 1: Diagnostic description
Power
K1
K2
Fault
Remedy
Connection/
voltage error
○
○
○
Supply voltage not present.
Apply supply voltage.
●
○
●
Supply voltage too low.
Adjust supply voltage.
●
○
○
●
○
○
The enable circuits are connected incorrectly
or not connected at all.
Check the connection of the enable
circuits.
Short circuit
○
○
○
Fault between contact points A1 and A2.
Remove short circuit.
Fault in reset
circuit
●
○
●
Faulty reset button.
Short circuit between S33 and S34.
No fault detection on initial start, only on first
new demand.
Remove short circuit.
Fault with
internal cause
●
○
●
Enable contact(s) of K1 faulty.
Replace safety relays.
●
●
○
Enable contact(s) of K2 faulty.
●
○
○
Enable contact(s) of K1 and K2 faulty.
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