Replacing NTC resistor - AWS310 - AWS310-SITE - AWS810 - AWS810-SOLAR - BMU801

BMU801 User Guide
Document code
M212710EN
Revision
A
Language
English
Product
AWS310
AWS310-SITE
AWS810
AWS810-SOLAR
BMU801
Document type
User guide
2‑mm flat head screwdriver
If you have 2 batteries, change the NTC resistor for one battery first, then for the other.
  1. Detach the battery connector from BMU801.
    1
    Battery 1 connector
    2
    NTC resistor for battery 1
    3
    NTC resistor for battery 2
    4
    Battery 2 connector
  2. Insert a 2‑mm flat head screwdriver in the slot next to the wire in the NTC connector.
  3. Push the screwdriver to the bottom of the slot and, at the same time, pull the wire out of the connector with your other hand.

    Repeat for the other wire.

  4. Disconnect the other end of the NTC resistor from the battery.
    1
    Screw
    2
    Spring washer
    3
    Flat washer
    4
    NTC temperature resistor
    5
    Connector
    6
    Battery
  5. Attach the wires of the new NTC resistor to BMU801.
  6. Connect the other end to the battery.
  7. Reattach the battery connector to BMU801.