You Cannot Turn On The Product; The Power Turns Off Suddenly; The Remaining Battery Level Indicator Shows An Incorrect Level - Sony a7s II How To Use Manual

[305] Troubleshooting

You cannot turn on the product.

After inserting the battery pack into the product, it may take a few moments for the product
to power up.
Make sure that the battery pack is inserted correctly.
The battery pack will discharge by itself even if you do not use it. Charge the battery pack
before use.
Make sure that the battery is NP-FW50.
[306] Troubleshooting

The power turns off suddenly.

Depending on the product and battery pack temperature, the product may turn off
automatically to protect itself. In this case, a message is displayed on the product screen
before the product turns off.
[307] Troubleshooting
The battery pack discharges quickly.
When [Remote Ctrl] has been set to [On], the power save mode will not function. Set
[Remote Ctrl] to [Off] after using with a remote control.
[308] Troubleshooting
The remaining battery level indicator shows an incorrect
level.
This phenomenon occurs when you use the product in an extremely hot or cold location.
Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Battery pack and power
Battery pack and power
Battery pack and power
Battery pack and power