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EV.8.3.1 An Accumulator Management System must monitor the Accumulator(s) Voltage EV.8.4 and Temperature EV.8.5 when the:
a. Tractive System is Active EV.9.1
b. Accumulator is connected to a Charger EV.10.3
EV.8.3.2 Cell balancing when the Accumulator Isolation Relays (AIR) EV.6.4 are open is not permitted. EV.8.3.3 The AMS must monitor for:
a. Voltage values outside the allowable range EV.8.4.2
b. Voltage sense Overcurrent Protection device(s) blown or tripped
c. Temperature values outside the allowable range EV.8.5.2
d. Missing or interrupted voltage or temperature measurements
e. A fault in the AMS
EV.8.3.4 If the AMS detects one or more of the conditions of EV.8.3.3 above, the AMS must:
a. Open the Shutdown Circuit EV.8.2.2
b. Turn on the AMS Indicator Light EV.8.3.5 The AMS Indicator Light must be:
a. Color: Red
b. Clearly visible to the seated driver in bright sunlight
c. Clearly marked with the lettering “AMS”