1609 BATK open During PM, to rectify ~~~~~ 1609 BATK open During PM, to rectify     #1609 Found B105 terminal lug contact with oxidisation. Serviced terminal lug contact surface-ok.Measured B104 to B105,battery voltage 97VDC.Monitored for 45mins,no further fault observed. Done by Jack/Koh. 09/07/20