Battery Unit (Hybrid/Digital Only) - Siemens MOBILETT XP Troubleshooting Manual

52

Battery unit (Hybrid/Digital only):

NOTE
24 batteries at 12 V/7 Ah Pb, grouped to form 4 battery packs (BK1-BK4), divided in the
left blocks (BK1&BK2) and the right blocks (BK3&BK4), for the battery unit. Each battery
block is assigned a charger of D982.
Charger 1 of D982 supplies left battery blocks BK1 & BK2. Charger 2 of D982 supplies
right battery blocks BK3 & BK4.
A complete battery block must always be replaced in the case of an error.
Fig. 19: Installed battery packages BK1-BK4_01
Fig. 20: Single battery package
D916 (CPU) checks the charge level of the batteries via charger D982. LEDs are acti-
vated on the display of D908 (XP, Eco, Hybrid)
dance with the battery level.
MOBILETT XP
The MOBILETT may be turned on only if all battery packs BK1 -
BK4 are connected to D982.
If one or more battery packs are not plugged in when the MOBI-
LETT is turned on, fuse F3 and/or F4 on D982 fails.
SPR8-230.840.01.05.02
11.05
Function Check
(Fig. 21 / p. 53) or D909 (Digital) in accor-
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