Phoenix Contact PSR-ESA2/4x1/1x2/B User Manual

Diagnostic description
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8 Diagnostic description
Meaning of the LED symbols in the tables below:
The table is valid for the following safety relays:
 LED is off
 LED is on
 LED flashing
1 PSR-ESL4/3x1/1x2/B
2 PSR-ESA2/4x1/1x2/B
3 PSR-ESAM2/3x1/1x2/B
4 PSR-ESAM4/3x1/1x2
5 PSR-ESAM4/8x1/1x2
6 PSR-THC4/2x1/1x2
Table 8-1 Diagnostic description for PSR-ESL4/…, PSR-ESA2/…, PSR-ESAM2/…, PSR-ESAM4/… and PSR-
THC4/… safety relays
PWR K1 K2
Fault Remedy Valid for
Connection/
voltage error
 Supply voltage not present. Apply supply voltage. All

Supply voltage too low. Adjust supply voltage. All


The enable circuits are connected
incorrectly or not connected at all.
Check the connection of the
enable circuits.
All
 No bridge between Y1 and Y2. Insert bridge. 6
Cross-circuit

Between both enable circuits S11-
S12 and S11-S22.
Error detection on next demand.
E.g., for emergency stop or safety
door.
Remove cross-circuit.
1

Between both enable circuits S11-
S22 and S11-S12.
Error detection on next demand.
E.g., for emergency stop or safety
door.
1

Between enable circuits S11-S12 and
S21-S22.
4, 5

Phoenix Contact PSR-ESA2/4x1/1x2/B Specifications

General

Brand	Phoenix Contact
Model	PSR-ESA2/4x1/1x2/B
Category	Relays
Language	English