Troubleshooting
6-6
Troubleshooting
6-6-1 Main Troubleshooting Flowchart
When abnormalities occur, it is important to make the following checks to deter-
mine completely the nature of the problem, determine whether there is any pos-
sibility of reoccurrence, and to find out if there is any relation to other devices.
START
Are
system connections
normal?
Normal
Are communications
with the host computer nor-
mal?
Normal
Are local communications
normal?
Normal
Is external environment
normal?
Normal
Replace Unit
Handle problems by first making a general check
using this Main Troubleshooting Flowchart.
Go to System Connection
Troubleshooting Flowchart
Abnormal
(Page 102)
Go to Host Communications
Troubleshooting Flowchart
(Page 103)
Abnormal
Go to Local Communications
Troubleshooting Flowchart
(Page 104)
Abnormal
Go to External Environment
Troubleshooting Flowchart
(Page 105)
Abnormal
Section
6-6
101