Beep Errors - Lenovo ThinkPad P72 Hardware Maintenance Manual

Table 2. Error messages (continued)
Symptom or error
The battery installed is not supported by this system and
will not charge. Please replace the battery with the correct
Lenovo battery for this system. Press the ESC key to
continue.
This system does not support batteries that are not
genuine Lenovo made or authorized. The system will
continue to boot, but may not charge unauthorized
batteries. Press the ESC key to continue.
Attention: Lenovo has no responsibility for the
performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out
of their use.

Beep errors

Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black
screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep
technology, do the following:
1. Go to
https://support.lenovo.com/smartbeep
2. Download the proper diagnostic app and install it on your smartphone.
3. Run the diagnostic app and place the smartphone near the computer.
4. Press the Fn key on your computer to emit the beep again. The diagnostic app decodes the beep error
and shows possible solutions on the smartphone.
The following section describes some beep errors and the corresponding solutions.
Note: Do not attempt to service a product yourself unless instructed to do so by the Customer Support
Center or product documentation. Only use a Lenovo-authorized service provider to repair your product.
Error codes
0001: Reset error (platform reset not de-asserted)
0002: Internal bus error
0281: General embedded controller error
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ThinkPad P72 Hardware Maintenance Manual
FRU or action, in sequence
Replace the battery.
Replace the battery.
or scan the following QR Code.
Solutions
1. Remove all power resources (the ac power
adapter, removable battery, and coin-cell battery).
2. Replace the system board (service provider only).
Replace the system board (service provider only).
Replace the system board (service provider only).