2 Troubleshooting 2.3 Power Supply Troubleshooting
2-8 [CONFIDENTIAL] TECRA M4 Maintenance Manual (960-521)
When icons are blinking, perform the following procedure.
1. Remove the battery pack and the AC adapter and cut off the power supply to the
computer by force.
2. Re-attach the battery pack and the AC adapter.
If icons are still blinking after the operation above, check the followings:
Check 1 If the DC IN icon blinks orange, go to Procedure 2.
Check 2 If the DC IN icon does not light, go to Procedure 3.
Check 3 If the battery icon does not light orange or green, go to Procedure 4.
CAUTION: Use a recommended AC adapter (G71C00043210 or G71C00049210).
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