SYMPTOM | POSSIBLE SOLUTION |
---|---|
Fails to format disk. | Check components related to connector P7. Check 6522s. Check write circuits. |
Stepper Motor does not step forward. | Check 6502, 6522s, stepper logic. |
Drive speed will not stabilize. | Check DC motor. |
Will not save when the drive heats up. |
Check 6502 microprocessor. |
Locks-up when loading. | Check IEEE interface components. Check ROM. |
Fails the performance test and displays a 21 read error. |
Check test diskette. Check Drive Motor. |
Fails the performance test and displays a 27 read error. |
Check stop adjust. |
Passes performance test to track 18 then displays 21 read error. |
Check read/write head. |
Passes the performance test but will not load certain programs. |
Check stepper motor. |
This page has been created by Sami Rautiainen. | |
Read the small print. | Last updated November 16, 1998. |