Matrix H7XE-05, Service Manual

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CHAPTER 8: TROUBLESHOOTING
8.7 TROUBLESHOOTING - ERROR 0248
FIGURE A FIGURE B
ERROR CODE 0248
1) SYMPTOM:
0248 - Battery disconnection or fail. (When power is on, LCB battery voltage is less than 6 VAC).
2) SOLUTION:
1) Check the battery wire connection between the battery and LCB (Figure A).
2) Check the battery voltage (Figure B), if it is less than 6V, please plug in the power cord to charge battery for 1 hour. Replace the battery if it
will not hold a charge.
3) If the battery voltage is more than 6V, replace the LCB.