Flowserve SRL63-A - Manual (Page 15)

15
Troubleshooting
Fault finding
Appendix
Decommissionin g
After de-energizing the logic unit, undo all the electrical connections and pull the cables out of the glands.
Remove the logic unit.
Disposal
Remove and dismantle the logic unit, and separate the waste materials according to the material data.
Electronic components (PC boards) must be disposed of in the correct manner! For the disposal of the con-
trol device, observe the pertinent statutory regulations concerning waste disposal.
CE De claration of Conformity
We hereby declare that the logic unit for monitoring SRL 63-a conforms to the following European Direc-
tives:
■ Low Voltage Directive (LVD) 73/23/EEC, as amended by 93/68/EEC
■ EMC Directive 89/336/EEC, as amended by 93/68/EEC
This declaration is no longer valid if modifications are made to the equipment without prior consultation
with us.
Bremen, 19.04.05
GESTRA AG
Faulty program execution, safety circuit interrupted
Fault: PLC display reports that a limit switch is defective.
Remedy: Exchange the faulty limit switch.
Fault: PLC, safety time-lag relay or coupling relay is defective.
Remedy: Exchange the entire logic unit.
Fault: The mains voltage has failed during the purging time, the bypassing of the low-level limiter
has been cancelled, and the safety circuit is interrupted.
Remedy: Switch on the mains voltage and resume the purging process.
Dipl.-Ing. Uwe Bledschun
Head of Design Dept.
Dipl.-Ing. Lars Bohl
Quality Assurance Representative