Yamaha NPS 4500, Owner'S Manual

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G. Troubleshooting
Generator will not start :
G. 1 Generator does not crank
• Inspect battery voltage and connection to ensure adequate voltage and secure connections
o
if you have a low battery or poor connections , Generator will not turn over
• Inspect the Master 12Volt Power "ON/OFF" Switch and verify it is in the "ON" position. See
Exhibit 2
o
if battery voltage is adequate and Master 12Volt Power Switch is in the "ON" position

Attempt to start from another starting option

I f generator still will not crank, manually turn Automatic Choke to "FULL" and
use pull start to start the Generator. See Exhibit 2

If still wont start, contact your dealer or NPS directly
G.2 Generator cranks but does not fire
• Inspect for adequate fuel
o
if fuel is depleted or shut off it will not start
• Inspect for spark
o
if your spark plug has carbon buildup, is fuel saturated or if ignition wire is damaged /
disconnected , it will not start
• If generator has fuel and spark plug is intact and working properly and it still will not start ,
then contact your dealer or NPS directly
G. 3 Generator is running but not powering my RV
• Check 30 amp breakers on the generator to see if they have tripped . I f tripped , then reset
o
if they will not reset , then contact your dealer or NPS
• Check circuit breaker on Control Module ( See Exhibit 6 ) to see if it ha s tripped . I f tripped ,
then reset
o
if it will not reset , then contact your dealer or NPS
• Inspect the breakers and GFCI inside the RV to see if they have tripped. I f tripped , then reset
o
if they will not reset or still will not power , then contact your dealer or NPS
NPS offers full support for service, warranty and technical assistance through
www.NPSrvpower.com or 1-866-407-1727 during normal business hours (9:00 am - 5:00pm
MST) if assistance is requested outside normal business hours, leave a message or send an
email and a team member will assist you as soon as possible.
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