Functional Assessment

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Information

The functional assessment using VAS 6910 - Module balancer must only be performed if there are critical faults for the classifying module stored in the fault memory of the high-voltage battery control unit. If it was not possible to assess the fault memory of the high-voltage battery control unit beforehand, the functional test on the module must be performed using VAS 6910 - Module balancer.

The functional assessment is performed using > 9900 - PIWIS Tester 3 , > VAS 6558A - High-voltage testing module and > VAS 6910 - Module balancer .

No.	Criterion
12	High-voltage battery control unit - critical fault	Yes □	No □
13	Cell voltage ≥ 4.2 V	Yes □	No □
14	Cell temperature > 80°C/(176°F)	Yes □	No □
15	No module communication	Yes □	No □
16	Cell voltage ≤ 2.8 V	Yes □	No □
17	Cell temperature > 60°C/(140°F) and < 80°C/(176°F)	Yes □	No □

If you answered "Yes" to one of the points 12 to 14:

Module status: "Danger"

Alert the fire brigade and take steps to deal with the danger from fire/gas leaks.

If you answered "Yes" to one of the points 15 to 17:

Module status: "Warning"

Store the lithium-ion module in the quarantine location and attach warning signs in accordance with requirements (see "Handling lithiumion batteries"). Contact Technical Support.

Check the module at regular intervals at least once a day.