Diagnostic description
102597_en_03 PHOENIX CONTACT 125 / 136
The table is valid for the following safety relays:
1 PSR-ESD/4x1/30
Table 8-4 Diagnostic description for PSR-ESD/4x1/30 safety relay
PWR
K1/K2
K3(t)/K4(t)
Fault Remedy
Connection/
voltage error
Supply voltage not present. Apply supply voltage.
Supply voltage too low. Adjust supply voltage.
1 s
Supply voltage too high. Adjust supply voltage.
The enable circuits are connected
incorrectly or not connected at all.
Check the connection of the
enable circuits.
Cross-circuit
1 s
Between both enable circuits S11-
S12 and S21-S22.
E.g., for emergency stop or safety
door.
Remove cross-circuit.
Between enable circuit S12-S22 for
applications with light grid and safe
PLC (see Section 5.2.2).
Fault is detected and indicated by the
light grid/PLC.
Short circuit
Between contact points A1 and A2.
Remove short circuit.
1 s
Between S11 and S12.
Error detection on next demand.
1 s
Between S21 and S22.
Fault detection on next demand.
Fault in
reset circuit
1 s
Faulty reset button.
Short circuit between A1 and S34.
No fault detection on initial start, only
once all enable contacts have been
opened.
Remove short circuit.
Configuration error
1 s
1 s
If a cross-circuit or overvoltage/under-
voltage occurs during the configura-
tion phase, the safety module indi-
cates a configuration error.
Check the wiring and the operat-
ing voltage supply.
Perform a voltage reset.
1 s
1 s
1 s
Rotary switch (delay time) was modi-
fied.
Perform configuration again.
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