Apple quadra 800.ws 80 Service Manual

 

 Troubleshooting

Symptom Charts - 4

 

System shuts down 

intermittently

1 Make sure air vents are clear.  Thermal protection circuitry 

may shut down system.  After 30 to 40 minutes, system 

should be OK.

2 Replace power cord.

3 Check battery.  Refer to “Battery Verification” in Additional 

Procedures.

4 Replace power supply.

5 Replace logic board.  Retain customer’s SIMMs.