Bluetti EP900 - 4.4 Maintenance; 5. System Check; 5.1 Preliminary Check

4.4 Maintenance
•
If some of the indicators are off for the battery packs connected in parallel,
please contact us or the authorized dealer.
• If you find the B500 battery pack is in a faulty state, please contact us or the
authorized dealer.
• If you find the B500 battery pack is temporarily unable to work and is restoring,
please wait patiently. If it lasts for more than 1 hour, contact the authorized
dealer or our company immediately.
• If the circuit breaker trips, do not operate B500 yourself. Please contact an dealer
or our company for further assistance.
• Do not switch off the circuit breaker when B500 battery pack is running, as this
may result in abnormal operation of the B500.
• Do not remove the metal shell of B500, as this may cause electric shock and
explosion.
5.1 Preliminary Check
Check the followings before first use.
• Confirm that all components of the system are installed according to specific
requirements.
• Make sure the PV+/PV- and BAT+ and BAT- cables are connected with correct
polarity and proper voltage.
• Switch off all AC and DC circuit breakers.
• Circuit breakers should be selected according to the requirements of this manual
and local regulations.
• Make sure grid and load cables are held firmly in place.
• All safety signs and warning labels shall be firmly attached and clearly visible when
needed.
5. System Check
JUST POWER ON28