17Fm458 Panel Checks:; A3Pv Panel; Linkv Panel; Thermistor Checks - Komatsu 930E-2 Shop Manual

17FM458 Panel Checks:

A3PV Panel

1. Remove the wires from panel terminals A and C.
2. With the Control Power Switch ON, measure
voltage between terminals D and F:
Verify 0.0 ±30 Millivolts.
3. Connect a jumper wire from the BATFU fuse
located on the bottom left wall in the left compart-
ment to terminal A on A3PV.
4. Connect a jumper wire from a cabinet ground to
terminal C on A3PV.
5. Measured voltage between terminals D and F.
Verify panel output is 0.12 volts (battery
volts divided by 200)
6. Connect a serial communication cable from the
PTU to the PSC.
7. On the PSC PTU, enter the following:
¤ c:\>ACNMENU {enter}
Highlight "PTU TCI & PSC" {enter}
¤
¤ Type your name {enter}
¤ Type your password {enter}
¤ Cursor to Normal Operation {enter}
¤ Cursor to "PSC Real Time Data Screen" {enter}
Verify A3PV is approximately 1.17 X battery
volts
8. Remove the jumper wires.
9. Reconnect the wires to terminals A and C.

LINKV Panel

1. Remove the wires from panel terminals A and C.
2. With the Control Power Switch ON, measure
voltage between terminals D and F:
Verify 0.0 ±30 Millivolts.
3. Connect a jumper wire from the BATFU fuse
located on the bottom left wall in the left compart-
ment to terminal A on LINKV.
4. Connect a jumper wire from a cabinet ground to
terminal C on LINKV.
5. Measure voltage between terminals D and F.
Verify panel output is 0.12 volts (battery
volts divided by 200)
E03015 3/01 AC Drive System Electrical Checkout Procedure
(Release 17 Software)
6. With the PTU connected to the PSC, enter the
following:
¤ c:\>ACNMENU {enter}
¤ Highlight "PTU TCI & PSC" {enter}
¤ Type your name {enter}
¤ Type your password {enter}
¤ Cursor to Normal Operation {enter}
¤ Cursor to "PSC Real Time Data" {enter}
Verify LINKV is equal to battery volts
7. Remove the jumper wires. Reconnect the wires
to terminals A and C.

Thermistor Checks:

1. With the PTU connected to the PSC:
¤ Cursor to Normal Operation {enter}
¤ Cursor to "PSC Real Time Data" {enter}
Verify AUXPCT is showing ambient tem-
perature
Verify AUXIT is showing ambient tempera-
ture
Verify AFSET is showing ambient tempera-
ture
17FM384 Panel Check:
1. With the PTU connected to the PSC;
¤ Cursor to Normal Operation {enter}.
¤ Cursor to "PSC Real Time Data" {enter}
2. Carefully remove the "FAILDIOD" wire from ter-
minal D on the 17FM384 panel.
Verify FDIODE is highlighted on PTU screen
3. Reconnect wire to terminal D.
E3-21