Disk Drive Maintenance; Light/Digital Floppy Disk Subsystem Troubleshooting Procedures; Table 13: Floppy Disk Troubleshooting Summary - Mitel SX-200 EL Technician's Handbook

Disk Drive Maintenance

SX-200 LIGHT/DIGITAL Floppy Disk Subsystem
Troubleshooting Procedures
Table 13 outlines the most likely causes of Floppy Disk Subsystem
failure.

Table 13: Floppy Disk Troubleshooting Summary

Step
Drive units require resets - power down the control bay (Bay 2 or Bay
1.
0), and power up again. Check for error codes on the Main Control
Card numeric display - see Table 14.
2.
Faulty backplane connections.
3.
Faulty or improperly installed floppy disk.
4.
Faulty / corrupt / obsolete software - reload with correct software.
5.
Faulty power supply unit(s) - refer to Power System Troubleshooting.
6.
Faulty Disk Drive unit.
7.
Faulty Main Control.
8.
Faulty cable connections.
Troubleshooting and Repair
Possible Malfunction Source
91