Train Prep:2678 APSU fault fcTo rectify ~~~~~ Train Prep:2678 APSU fault fc 408,418,428, To rectify  2678 Check and found battery temp sensor faulty(457.9kohm) Replace temp.sensor and function test battery voltage 108vdc output voltage 108vdc ok. monitor 2 hrs no fault reoccuring. Done by Sanip/Rizman/Koh 45488