LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

LTC Repair Electrical Troubleshooting
6.18 Lights do not Illuminate—Flowchart 1C
Check voltage at the main circuit breaker.
See Checking Voltage at the Main Circuit Breaker.
Check incoming voltage
to ballast capacitors.
Is 240V±10%
measured?
No
Repair wiring
between short
terminal strip and
main circuit
breaker.
See Checking Incoming
Voltage to Ballast Capacitor(s).
Is 400±10%V
measured?
Yes
Check outgoing voltage
from ballast capacitors.
See Checking Outgoing
Voltage from Ballast Capacitors.
Is 400V±10%
measured?
No
Replace
ballast capacitor(s).
No
Yes
Yes
Repair wiring
between main
circuit breaker and
long terminal
strip.
Repair wiring
between individual
circuit breakers and
ballast capacitors
and/or replace
transformer (s).
97
Check voltage at the long terminal strip.
See Checking Voltage to Long Terminal Strip.
No
Is 230±10%V
measured?
Yes
Check voltage at individual circuit breakers.
See Checking Individual Circuit Breakers.
Yes
Conduct continuity tests on
the wiring between the ballast capacitors
and the mast junction box. Repair or
replace the wiring as needed.
Is 230V±10%
measured?
No
Repair wiring
between long
terminal strip and
individual circuit
breakers and/or
replace circuit
breaker(s).
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