09/03
2-113
DC 3535/2240/1632, WC M24
6-391
Status Indicator RAPs
Initial issue
6-391 Scan Initialize Motor Driver
A Carriage Motor error was detected after initialization was started.
Procedure
Manually move the Full Rate Carriage to the left until it stops. Enter dC330 [006-005] (Scan)
and select Start. The Carriage Motor energizes.
YN
+24 VDC is measured at P/J725-1 and -2 on the IIT/IPS PWB.
YN
Replace the IIT/IPS PWB (PL 18.3).
NOTE: In the next step, two of the four pins on P/J725 should measure at least +24 VDC.
The other two will measure approximately +2 to +4 VDC.
+24 VDC is measured at two of the following pins on P/J725: 3, 4, 5 or 6.
YN
Go to Flag 3 and Flag 4 and check the wires for an open circuit. If the wires are
good, replace the Carriage Motor (PL 18.5).
Replace the IIT/IPS PWB (PL 18.3).
Select Stop. Enter dC330 [006-006] (Reverse). Select Start. The Carriage Motor energizes.
YN
Replace the IIT/IPS PWB (PL 18.3).
Check the following:
• Carriage Motor Belt for disengagement, damage, or no tension (PL 18.5).
• Carriage Capstan Shaft/pulley damage (PL 18.5).
• Full Rate/Half Rate Carriage Position Adjustment (ADJ 6.1).
Figure 1 6-391 RAP Circuit Diagram - Carriage Motor
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