TROUBLESHOOTING THE NHEL
CONTROL
Trouble
Engine Starts
And Runs; Then
Stops. Set
Restarts
Immediately
or
Set Restarts
After Waiting
Several Minutes
Low Battery
Possible Cause
1.
Oil
level is low
2.
Ditty
fuel restricting
fuel filter causing
filter to freeze up.
3. Breaker points sticking
4.
Contaminated fuel.
1.
Weak
or
discharged battery
Generator set charger will
not recharge a battery that
is
in a very low state
or
charge.
2.
Load connected to battery
while set is turned
off.
3. Disconnect the negative
(-)
battery cable at the battery
and remove control lead
P1-6
from the battery positive
(+)
terminal on the K1 start
solenoid. Connect a
DC
ammeter and
5
ampere fuse in
series between the P1-6 lead
wire and the stud terminal
on the
K1
solenoid. With set
running, the ammeter should
read between
0
and
1
ampere.
If meter shows battery is
discharging, fault is due to:
a. defective generator charge
b.
CRl power rectifier open.
winding or
Corrective
Action
1.
Check fuel and oil levels
and refill as necessary
2.
Clean fuel filter. Refer
to Fuel System section for
service procedures
3 Replace breaker points
4.
Refill tank with fresh fuel
1.
2.
3a.
3b.
Connect a separate battery
charger to bring battery
up to
full
charge.
Turn
off
load.
Refer to Generator section
for testing and service
procedures.
Replace control PC board
7-1
3
Redistribution or publication of this document
by any means, is strictly prohibited.
Redistribution or publication of this document
by any means, is strictly prohibited.
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