SECTION 2 - SERVICE PROCEDURE
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2-9
LEM Sensor and Internal Contactor
The BMS manages the battery pack through two devices:
1.
LEM Sensor: LEM Sensor recognizes the amount
of current passing through the batteries when
charging or the current supply to the electrical
motor. See below for LEM Sensors of different
Generation BMS.
NOTE:
1st Generation, 2nd Generation and 3rd Generation
LEM sensors are not interchangeable.
NOTE:
The LEM sensor has a direction of installation. Care-
fully install the LEM sensor in correct direction.
MAF11510
Figure 2-8. 1st Generation LEM Sensor
MAF11520
Figure 2-9. 2nd Generation LEM Sensor
MAF12770
Figure 2-10. 3rd Generation LEM Sensor
MAF16870
Figure 2-11. LEM Sensor wires connections
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