Komatsu 830E-AC Shop Manual page 456

TCI
1. Connect the serial communication cable from the
PTU to the TCI port (DIAG3) on the DID panel
located on the back wall of the operator cab.
2. Make sure that the directional control lever is in
PARK and the rest switch is in the REST position.
3. Turn control power switch (1, Figure 3-1) and the
key switch ON.
Click START > Programs > GEOHVPTU_2.0 >
AC TOOLS > wPTU AC v21.01
Select "Normal" mode {enter}
Type password "ok75e" {enter}
Click "LOGIN to wPTU Toolbox".
Under the "Special Tasks" heading, double-click
"Erase TCI Events".
Click "YES".
Double-click "TCI Event Summary".
No events should be listed. Investigate any
events that are listed.
GATE DRIVER POWER CONVERTER TEST
Never look directly into the fiber optic light. Eye
damage could result.
1. Disconnect the round connector on top of phase
modules P11A+, P12A+, P21A+ and P22A+.
2. Close circuit breaker CB1 on GDPC1 in the right
side compartment of the control cabinet.
3. Use an analog meter to check the voltage
between the pins on the P11A+ round connector.
There should be 90 - 100VDC.
4. Open circuit breaker CB1 on GDPC1. Reconnect
the round connector to P11A+ and close circuit
breaker CB1 again.
5. Carefully remove the gray plug on top of each P11
phase module. Without looking directly into the
plug hole in each phase module, verify that a red
light is present. Insert the gray plugs.
6. Carefully remove the gray plug on top of chopper
module CM1. Without looking directly into the
plug hole, verify that a red light is present. Insert
the gray plug.
E3-26 AC Drive System Electrical Checkout Procedure
(Version 21 Software)
7. Close circuit breaker CB2 on GDPC1 in the right
side compartment of the control cabinet.
8. Use an analog meter to check the voltage
between the pins on the P12A+ round connector.
There should be 90 - 100VDC.
9. Open circuit breaker CB2 on GDPC1. Reconnect
the round connector to P12A+ and close circuit
breaker CB2 again.
10. Carefully remove the gray plug on top of each P12
phase module. Without looking directly into the
plug hole in each phase module, verify that a red
light is present. Insert the gray plugs.
11. Carefully remove the gray plug on top of chopper
module CM2. Without looking directly into the
plug hole, verify that a red light is present. Insert
the gray plug.
12. Close circuit breaker CB1 on GDPC2 in the right
side compartment of the control cabinet.
13. Use an analog meter to check the voltage
between the pins on the P21A+ round connector.
There should be 90 - 100VDC.
14. Open circuit breaker CB1 on GDPC2. Reconnect
the round connector to P21A+ and close circuit
breaker CB1 again.
15. Carefully remove the gray plug on top of each P21
phase module. Without looking directly into the
plug hole in each phase module, verify that a red
light is present. Insert the gray plugs.
16. Close circuit breaker CB2 on GDPC2 in the right
side compartment of the control cabinet.
17. Use an analog meter to check the voltage
between the pins on the P22A+ round connector.
There should be 90 - 100VDC.
18. Open circuit breaker CB2 on GDPC2. Reconnect
the round connector to P22A+ and close circuit
breaker CB2 again.
19. Carefully remove the gray plug on top of each P22
phase module. Without looking directly into the
plug hole in each phase module, verify that a red
light is present. Insert the gray plugs.
10/06 E03018