Diagnostic description
102597_en_03
PHOENIX CONTACT
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
Summary of Contents for 2702924
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