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TPS system: 5 APM & 2 SM, when demanded checkpoint on zip catridge, that NIM failed causing a switchover, the US from where checkpoint demanded crashed, few seconds later the secondary NIM failed causing a black out.
Tried following in the order, none of it worked and resulted in the same way as said above.
1. changed zip cartridge with new one.
2. Changed the zip drive
3. Tried checkpointing from another US and another zip drive with a new cartridge
observations: there was no UCN/LCN noise. checkpointing on HM directly is successful but on zip cartridge is dangeros since it causes NIM failure. LCN Rel is 620. All US have K4LCN boards.
Need help to analyse and rectify this.
Tried following in the order, none of it worked and resulted in the same way as said above.
1. changed zip cartridge with new one.
2. Changed the zip drive
3. Tried checkpointing from another US and another zip drive with a new cartridge
observations: there was no UCN/LCN noise. checkpointing on HM directly is successful but on zip cartridge is dangeros since it causes NIM failure. LCN Rel is 620. All US have K4LCN boards.
Need help to analyse and rectify this.
