Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
PHOENIX CONTACT
102597_en_03
The table is valid for the following safety relays:
1
PSR-URML4/3x1/1x2/B
Table 8-7
Diagnostic description for PSR-URML4/3x1/1x2/B safety relay
K1
K2
Fault
Remedy
Connection/
voltage error
0 V not applied.
Apply 0 V.
Sensor circuits S12 and S22 are not being
supplied with power.
Check the circuit connection.
Sensor circuit S12 is not being supplied
with power.
Sensor circuit S22 is not being supplied
with power.
Short circuit
Between contact points S12 and 0 V or
between S22 and 0 V.
Remove short circuit.
Fault with
internal cause
Enable contact(s) of K1 faulty.
Replace safety relays.
Perform a voltage reset.
Enable contact(s) of K2 faulty.
Enable contact(s) of K1 and K2 faulty.
Summary of Contents for 2702924
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