Mitsubishi Electric M80 Series Maintenance Manual page 85

M800/M80/E80 Series Maintenance Manual
3 Maintenance of the Drive Unit
Replacement procedure
Replace the battery with the following procedures.
CAUTION
1. Replace the batteries with new ones immediately after the battery voltage drop alarm (9F) has been output.
2. Replace the batteries while applying the drive unit's control power.
<Replacement procedure for the cell battery MDS-BAT6V1SET>
(1) Open the battery holder cover located at the front of the drive unit.
(2) Pull out the battery connector connected with the drive unit. Remove the battery.
(3) Install a new battery and connect a cable connector to the connector position where the old battery connector was pulled
out from in step (2).
(4) Cancel the warning 9F by executing an alarm reset (pushing the NC reset button).
IB-1501273-F
Battery attaching part
Battery connector connection part magnified figure
BTA
BTI
Battery unit
Connect the battery box with BTI.
58
BTB
1 2 1 2
BTO
2 1 2 1