11 Diagnostics
ESR5-VE3-42
07/20 MN049003EN
Eaton.com
15
11 Diagnostics
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– LED o
ff
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– LED on
Table 1: Diagnostic description
Power
K1(t)
K2(t)
Fault
Remedy
Connection/
voltage error
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Supply voltage not present.
Apply supply voltage.
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Supply voltage too low.
Adjust supply voltage.
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The input circuit is connected incorrectly or not
connected at all.
Check the connection of the input circuit.
Short circuit
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Fault between contact points A1 and A2.
Remove short circuit.
Fault with
internal cause
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Checkback contacts 15 and 16 faulty.
Replace safety relays.
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Enable contact of K1(t) faulty.
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Enable contact of K2(t) faulty.