Section 14 Bat Failures; Pre-Crt Initialization Bat Failures; Pre·cr T Initialization Bat Failures; Post-Crt Initialization Bat Failures - IBM 6580 Product Support Manual

Section 14 BAT Failures,
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INTERMITTENT PROBLEM DIAGNOSTIC APPROACH - Section 15 Diskette RNA Test Failure Codes
580010
SECTION 14 BAT FAILURES SECTION 15 DISKETTE RNA TEST FAILURE CODES
- Test all diskette connectors (81, B2, B3, B4,
and File Control Card).
- Reseat diskette adapter card.
- Check the stepper drive band adjustment.
- The head carriage assembly may be binding
on guide rods.
680011
- Check the head al ignment.
- Check the solenoid and bail adjustment.
- Check all diskette connectors (B 1, B2, B3,
84, and File Control Card).
780018
PRE·CRT INITIALIZATION BAT FAILURES
Check the following:
DC supply voltages.
• AC input voltage.
• Reseat all electronic cards and check all connectors
inside the Electronics Module.
• Reseat the Display Module connector 2.
POST·CRT INITIALIZATION BAT FAILURES
Check the following:
DRIVE SET READY TEST (L)
• L F 01 - Read 10 Error (head is not being engaged)
• L F 02 - Drive Not Ready (slow diskette speed)
• L F 03 - Recalibrate Not Successful
• L F 04 - Write Fault Error
• L F 07 - Head Engage Signal Set Incorrectly
• L F 09 - Head Cannot Be Engaged
• L FlO - Drive Not Present
- Same as 680011 • L F 14 - Une.xpected Transition (change in diskette
880013
- Same as 480016
For all other x8xxxx numbers:
- Reseat the diskette adapter and system
cards.
- Check all diskette connectors (B 1, 82, B3,
B4, and the File Control Card).
- Check Panel 2, connectors 8, and 10.
- Check internal diskette signal cable con·
nectors 5 and S 1.
7. x9xxxx numbers indicate display function failures.
Ear all x9xxxx series numbers:
• Reseat the display adapter and system cards.
• Check the display module connector (3) and the
internal distribution cable connectors (01 and
P2).
• DC supply voltages. speed)
• AC input voltage.
Reseat all electronic cards and check all connectors
inside the Electronics Module.
• Reseat the Display Module connector 2.
• Reseat the keyboard logic card and the diskette adapter
card.
• Check the keyboard logic card connector and the
keyboard cable connector 7.
• Check all connectors on the Diskette Unit.
• Check Panel 1, connectors 5, 8.
• Check Panel 2, connector 10.
• L F 17 - Read ID Shows I ncorrect Track Location
(seek/track step problem).
• L F 19 - No I ndex Pulse Detected
• L F 20 - Index Pulse Will Not Reset
STEPPER MOTOR PHASE TEST (M)
• M F 01 - Read 10 Error' (head is not being engaged)
• M F 02 - Drive Not Ready (slow diskette speed)
• M F 03 - Recalibrate Not Successful
• M F 05 - Write/Erase Enabled Incorrectly
• M F 07 - Head Engage Signal Set Incorrectly
• M F 08 - Seek Error" (seek/track step problem)
• M F 09 - Head Cannot Be Engaged