Sharp MX-TMX1 Service Manual page 50

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FAULT CODE DESCRIPTIONS
TM-003
Fault Code TM-003, indicates that the Transport motor (TM-M1) has a Short circuit.
Initial Actions
Check fuse F2 on Transformer.
Procedure
Disconnect the motor plug M1. Run the Diagnostics again. Fault code TM-004 (Open circuit) is displayed?
Y
N
Disconnect plug B.P3 from PCB "A". Check wires for Short circuit across leads the orange wire M1 to B.P3-3
(violet) and the violet wire M1 to B.P3-2 (orange). Is there Short circuit?
Y
N
Replace PCB "A".
Replace wire Harness.
Replace motor TM-M1.
TM-004
Fault Code TM-004, indicates that the Transport motor (TM-M1) has a Open circuit.
Initial Actions
Check fuse F2 on Transformer.
Procedure
Disconnect the motor plug M1. Enter Service mode and start Transport motor (TM-M1) in check motors. Measure between the
orange wire M1 and the violet wire M1 (PWM 36 and ground). The voltage is approximately 22 VDC?
Y
N
Disconnect plug B.P3 from PCB "A". Measure between J3-2 and J3-3 (PWM 36 and ground). The voltage is
approximately 22 VDC?
Y
N
Replace PCB "A".
Replace wire Harness.
Replace motor TM-M1.
TM-005
Fault Code TM-005, indicates that the Trim knife motor (TM-M2) has a Short circuit.
Initial Actions
Check fuse F2 on Transformer.
Procedure
Disconnect the motor plug M2. Run the Diagnostics again. Fault code TM-006 (Open circuit) is displayed?
Y
N
Disconnect plug B.P3 from PCB "A". Check wires for Short circuit across leads the orange wire M2 to B.P3-6
(violet) and the violet wire M2 to B.P3-7 (orange). Is there Short circuit?
Y
N
Replace PCB "A".
Replace wire Harness.
Replace motor TM-M2.
TR-4-4
20 October 2010

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