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61
T500 9015504 01-2018
TROUBLESHOOTING
MACHINE FAILED TO POWER UP
Step
Action
Value(s)
Yes
No
1
• Key ON
• Use a voltmeter to test the total battery voltage
• Is total battery voltage greater than 20 VDC?
Proceed to
STEP 2
Recharge bat-
teries and test
power-up circuit
operation
2
• Key OFF
• Firmly press circuit breaker #1 / circuit breaker #2 to reset
• Are circuit breaker #1 / circuit breaker #2 tripped?
Reset and test
power-up circuit
operation
Proceed to
STEP 3
3
• Key ON
• Test voltage applied to power-up subsystem as shown on
electrical schematic
• Are electrical circuits operating as shown on electrical
schematic?
Repeat STEP 1
Identify voltage
drop location
and repair or
replace neces-
sary compo-
nents
Terms:
VDC = DC Voltage
Summary of Contents for t500
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Page 55: ...55 T500 9015504 01 2018 TROUBLESHOOTING ...
Page 89: ...89 T500 9015504 01 2018 SERVICE 9 Cycle the key switch to save selections ...
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