Troubleshooting - Buffalo GEN7500TRI Instruction Manual

TROUBLESHOOTING

IMPORTANT: If trouble persists, call our customer help line at 1-866-460-9436, Monday - Friday, 8 AM - 4 PM Central Time.
Symptom
Engine will not start.
Generator runs but does not support all
connected electrical devices.
Engine runs but there is no electrical output.
GEN7500TRI 7500 Surge Watt / 6000 Running Watt Portable Tri Fuel LPG, Gasoline or Natural Gas Generator with Electric Start Manual
Cause
Fuel valve is turned to "closed."
Choke is open.
Propane Tank is out of fuel.
NG valve is not open
NG specifications are not correct
Spark plug is dirty.
Generator is not on level surface.
Oil is low.
Generator is overloaded.
Short in one of the connected devices.
Air filter is dirty.
Loose wiring harness connection
Reset button(s) is (are) "off."
Loose wiring harness connection
Bad connecting wires/cables.
Bad electrical device connected to generator.
Carbon Brushes are worn down
AVR shorted out or burned out
Solution
Turn fuel valve to "open."
Close the choke.
Replace propane fuel tank.
Turn on the NG valve
Consult your local natural gas technician
Clean spark plug.
Move generator to a level surface to prevent
triggering the low oil shutdown.
Add or replace oil.
Reduce draw on generator to within this
generator's rated wattage by reducing number
of connected electrical devices.
Disconnect any faulty or short-circuited
electrical loads.
Clean or replace air filter.
Turn off generator, then check wiring behind
control panel and at the end of generator for
loose connection. If wires are loose, tighten the
screws and/or nuts. Be certain the plug in
connectors are pushed together all the way.
Push reset button(s) to "on."
Turn off generator, then check wiring behind
control panel and at the end of generator for
loose connection. If wires are loose, tighten the
screws and/or nuts. Be certain the plug in
connectors are pushed together all the way.
Try a different extension cord.
Disconnect device, try connecting another
device.
Turn off generator, then look at the brush
holder at the end of the generator to determine
if the brushers are still against the copper
bands on the end of the rotor. If they are worn
down, replace the 2 wires the same way they
came off.
Turn off the generator, then remove the 2
screws at the end of the generator. Look for the
burn spots on the back side of the AVR. If there
is burn spots, replace the AVR.
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