Sepam - HV/MV Protection and control units (ENG) - Trinet

Use - commissioningMaintenance (cont’d)Sepam 2000 comprises self-testing and self-diagnosisto facilitate installation maintenance.Indicator lamps and displaymessagesc Green indicator lamp lit up:Le Sepam 2000 est sous tension.c No indicator lamps lit up:there is probably an auxiliary power supply fault.Check the auxiliary power supply and CE40 boardconnections and perform the lamp test.c Red lamp indicates internal Sepam 2000 faults.Sepam 2000 continuously performs on-line internaltests. When the test results are negative, Sepamautomatically runs a series of sequences which resultin either:v automatic reinitialization (minor fault, e.g. transientauxiliary power supply break).Sepam 2000 carries out a complete restart sequence.If restart is successful, Sepam operates againnormally; during the sequence, all the output relaysare dropped out (1) ,v switching to the fail-safe position (major fault).Sepam 2000 goes into the fail-safe position.All the output relays drop out (1 ) in order to avoidinadvertent commands, and the watchdog dropsout as well.The following may cause internal faults:c missing cartridge:v red indicator lamp lit up,v display OFF,v no dialogue with pocket terminal,v no dialogue with communication link,v watchdog dropped out,v switching to fail-safe position.Sepam 2000 will not start, lacking a program:this is a major fault,c set-up fault:v red indicator lamp lit up,v red lamp indicates CARTRIDGE,v no dialogue with pocket terminal,v no dialogue with communication link,v the watchdog is dropped out,v switching to fail-safe position.Sepam 2000 is shut down: this is a major fault.v on Sepams (S35 LS, LR, KR, KZ) with a date codehigher than 97 xx, the 2 ECM boards are not thesame model; two ref. 3122 288 boards or tworef. 03143179FA boards are required.v The type of cartridge is not compatible withthe Sepam model.c hardware fault on cartridge:v red indicator lamps lit up,v display indicates M CARTRIDGE,v no dialogue with pocket terminal,v no dialogue with communication,v the watchdog is dropped out,v switching to fail-safe position.Sepam 2000 is shut down: this is a major fault.v the cartridge is faulty,v disconnect the auxiliary power supply,v Sepam is automatically out of order until a new cartridge is installed.Consult your maintenance department.c other major faults:v red indicator lit up,v display indicates MAINTENANCE,v no dialogue with the pocket terminal,v no dialogue with the communication link (if the CPU is faulty),v the watchdog is dropped out,v switching to the fail-safe position.Sepam 2000 is shut down: this is a major fault.Consult your maintenance department.c minor or partial fault:v red indicator extinguished,v display indicates MAINTENANCE,v dialogue with the pocket terminal is maintained,v dialogue with the communication link is maintained,v the watchdog does not drop out.Sepam 2000 is operating, however it has detected a transient fault or a componenthas failed to pass self-testing.Consult your maintenance department.c other minor or partial fault:v red indicator extinguished,v display indicates M CARTRIDGE,v dialogue with the pocket terminal is maintained,v dialogue with communication is maintained,v the watchdog does not drop out againSepam 2000 is operating, but it has detected a fault in the status parameter settingor an overrun of the number of entries written in the cartridge memory(S25/S35 only).Set the status parameters that are blinking or consult your maintenancedepartment.(1)this may cause tripping with undervoltage program logic (so-called fail-safe logic).Caution: do not insert or remove cartridge while Sepamis energized.v Disconnect the auxiliary power supply and wait2 seconds before handling the cartridge.Check the references on the Sepam and on thecartridge (refer to your Sepam 2000 identificationchapter).v Sepam 2000 is automatically disabled untilthe appropriate cartridge is installed.2/42 Installation - Use - General characteristics - Testing