Twin Disc TA-90-8501, Operator'S Manual

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115
Twin Disc, Incorporated
Troubleshooting
Power Transmission System Operator’s Manual #1020510
CONTROL SYSTEM TROUBLESHOOTING 1
PRESS UP OR
DOWN
ARROW OR
BOTH TO EXIT
TO MAIN
MENU
These rules apply to each of the test sequences on the following pages:
v
Simultaneously press both up and down arrow buttons while powering with the key
switch to enter the test sequence
v
Simultaneously press both up and down arrow buttons to select any displayed test from
the menu selection
v
This shape shows exactly what is seen in the display
ACTION
v
This shape shows an action that must be accomplished
SEC
v
This shape shows a time delay that is programmed
v
Press down button to scroll through menu selection in order shown
v
Cycle power to exit testing
2 SEC
DELAY
5 SEC
DELAY
PRESS UP
BUTTON
TO EXIT
SUB MENU
IF FAILED
REPLACE
CONTROL
SUPPLY
POWER
2 POWER
TEST
INTERNAL
POWER
EXIT TEST
X.XX V
TEST
PASSED
XXXXX
FAILED
DISPLAY
CHECKSUM
XXXX
ALL DOTS
ON
1 DSPLAY
TEST
ALL DOTS
ON
1 DSPLAY
TEST
OR
v
This shape shows a decision that is reached
Figure 18. Troubleshooting Flowchart