Alpha Technologies CFR 3000, CFR 3000RM - Manual (Page 72)

5 Maintenance 66
5.4 Replacing the Internal Batteries (Continued)
7 Put the battery foam blocks on top of the batteries.
8 Attach the positive (red) battery lead to the front battery.
9 Attach the negative (black) battery lead to the rear battery.
10 Reattach the cover and the front panel.
11 Reconnect the utility line and the external battery (if used).
12 Start the unit (Section 3.1). Do a self test (Section 3.3).
• If the unit passes the self test, turn it off (Section 3.2) and reconnect the load.
• If it doesn’t, check the battery connections or perform troubleshooting (Sections
3.4, 5.2).
13 Restart the unit.
Battery Replacement Finished
6 Place the new batteries in the unit. Pay close attention to the polarities while con-
necting them as shown in Figure 5.3. Do not attach the unit’s negative or positive
leads.
Figure 5.3
Battery Connection
Unit Negative
(Black) Lead Front of Unit
Unit Positive
(Red) Lead