Payload Meter Ii Re-Initialization Procedure - Komatsu 930E-2 Shop Manual

PAYLOAD METER II RE-INITIALIZATION PROCEDURE

This procedure is designed to reset the Payload Meter II to clear repeated F.CAL errors.
This procedure is necessary to fix a rare condition in
the operation of the meter. Indication for this procedure
is a repeated display of F.CAL on the meter despite
repeated calibration. If possible, download the Pay-
load Meter before performing this procedure. This
procedure will erase all memory and user settings.
NOTE:
This procedure should be performed before any
Payload Meter is returned for warranty or repair.
Before performing this procedure, be sure that the
engine inputs into the payload meter can be manipu-
lated to indicate engine running and engine stopped.
Some payload meter installations have hard-wired
these inputs. These inputs must be accessible and
able to produce the following input conditions:
21C
Condition Engine Oil
Pressure
Engine Running Open
Engine Stopped Ground
1. Turn off all systems.
2. Turn on the Payload Meter but leave the engine
off.
3. Hold MODE and LIGHT until CHEC flashes.
4. Hold the CAL, TOTAL and LIGHT buttons until
00:00 is displayed.
5. Press CAL for 2 seconds. 00 00 will flash and the
meter will erase its memory and reset to its factory
settings. This includes and OP, UP, PL, P.SEL,
and E.SEL settings.
The meter will restart and display F.CAL.
6. Start the engine.
M20007 10/00
10. Load the truck to rated load and drive through one
11. After dumping the load, wait at least 15 seconds
12. Stop the truck and shut down the engine.
13. Turn on the Payload Meter but leave the engine
21D
14. Hold MODE and LIGHT until CHEC flashes.
Alternator "R"
Terminal
15. Hold LIGHT and CAL until A:CLE flashes.
24VDC
16. Press CAL to clear the service memory.
Open
17. When CHEC is displayed, press MODE to return
18. Clear the Haul Cycle Memory by holding MODE
19. Press MODE and A.CLE will be displayed.
20. Hold CAL until A.CLE flashed.
21. Press CAL once more to clear the haul cycle
22. Clear the operator load counter by pressing the
23. Hold the CAL button until the display flashes.
24. Hold the CAL button until 0000 is displayed to
25. The payload meter should now function normally.
Payload Meter II
7. Set the time, date, OP, PL, and UP settings. All
other user settings should updated at this time.
8. Calibrate the Payload Meter by holding the CAL
button until CAL flashes.
9. Release the Brake Lock (Park Brake for 330M)
and begin driving 5-8 MPH on level ground and
press CAL.
CAL should display until the meter finishes its
calibration.
haul cycle.
and drive the truck to a safe location.
off.
to normal operation.
until Cd:dP is displayed.
memory.
TOTAL button until ":" is displayed.
clear the memory.
M20-33