Question 1

the wireless remote start fob stopped working, changed batteries, still nothing.

Accepted Answer

DIAGNOSIS The receiver module inside the generator has lost its pairing with the remote, or has failed. FIX First, re-pair the remote. With the generator OFF, press and hold the 'Program' button on the receiver module (inside the control panel) for 5 seconds until the LED blinks. Then, within 30 seconds, press any button on the remote. The LED should stop blinking, indicating a successful pair. IF THAT DIDN'T WORK The 5A fuse for the remote start system might be blown. It's on the main control board, separate from the inverter fuse. Check it. HEADS UP The wireless remote will not function if the generator's main battery is weak or has a poor connection. Always verify battery health first.

Question 2

oil light came on while it was running, beeping like crazy so i shut it off. oil level is fine.

Accepted Answer

DIAGNOSIS Faulty oil pressure sensor or a wiring issue to that sensor. The sensor is a simple switch that grounds when oil pressure is low. FIX Locate the oil pressure sensor on the side of the engine block. It will have a single wire connector. Unplug it. Start the generator. If the light is off and it runs normally, the sensor is bad and needs replacement. IF THAT DIDN'T WORK With the wire disconnected, the problem persists. That means the wire is pinched or grounded somewhere between the sensor and the control board. You'll need to trace the wire harness. HEADS UP Do not ignore this light. Running with actual low oil pressure destroys the engine in minutes. Confirm the sensor is faulty via the test above before assuming it's safe.

Question 3

my parallel kit won't work with my buddy's igen4500, the cables plug in but one unit just shuts off.

Accepted Answer

DIAGNOSIS Output synchronization failure. One generator's inverter board is detecting a phase mismatch and shutting down for protection. FIX Start both generators separately first. Make sure both are running steady with Eco Mode OFF. Plug the parallel cables into the *generators* first. Then plug the cables into each other. Finally, turn on the parallel switch on *both* control panels. The order matters. IF THAT DIDN'T WORK One of the parallel ports on a generator might be damaged. Inspect the pins inside the port for bending or corrosion. A bent pin will prevent proper communication. HEADS UP The generators must be the same model (iGen4500 to iGen4500) for parallel to work correctly. Even a different year model can have firmware differences that cause this.

Question 4

it starts fine but then surges up and down constantly, won't settle into a steady run.

Accepted Answer

DIAGNOSIS Fuel starvation. The carburetor is getting inconsistent fuel flow, usually due to old gas leaving varnish or a clogged fuel filter. FIX Drain all fuel from the tank and carburetor bowl. Replace the inline fuel filter. Add fresh, non-ethanol gasoline. Run the generator under a 1000W load for at least 30 minutes. The load helps clean the system. IF THAT DIDN'T WORK The carburetor jet itself is clogged. The carburetor needs to be removed, fully disassembled, and cleaned with carb cleaner and compressed air. The main jet is tiny and clogs easily. HEADS UP Never store this generator with gasoline in the carburetor. Use the fuel shutoff valve or run it dry. Ethanol-blended fuel left to sit is the primary cause of this issue.

Question 5

display is showing error code e02, can't find it in the manual. what's that mean?

Accepted Answer

DIAGNOSIS E02 is an over-speed error. The engine is running too fast, and the inverter board has shut down output to protect your electronics. FIX The most common cause is a dirty or faulty throttle body. Engine can't regulate speed properly. Turn generator off. Remove the air filter cover and filter. Spray carburetor cleaner directly into the throttle body bore while working the throttle linkage by hand. Let it sit for 10 minutes, reassemble, and try. IF THAT DIDN'T WORK The stepper motor that controls the throttle plate might be faulty. It's mounted on the throttle body. You'll need a multimeter to test its resistance. HEADS UP Running with an E02 fault can damage sensitive electronics you have plugged in. Do not attempt to bypass this error. Fix the root cause.

Question 6

my igen4500 is making a loud rattling sound from the fan area, sounds like something loose.

Accepted Answer

DIAGNOSIS The shroud around the flywheel/fan has come loose or cracked. The mounting tabs are plastic and can break, letting the shroud vibrate against the fan blades. FIX Shut the generator down and let it cool. Remove the main cover. Inspect the large black plastic shroud covering the flywheel. Look for cracked mounting tabs. If tabs are intact, ensure all screws are tight. If cracked, the shroud needs replacement. IF THAT DIDN'T WORK A foreign object like a twig or piece of debris could be stuck between the shroud and the cooling fan. A visual inspection with a flashlight will reveal it. HEADS UP Do not run the generator with this noise. A broken shroud can dislodge and cause catastrophic damage to the fan and alternator windings.

Question 7

generator starts and runs but no power at the outlets, display is on though.

Accepted Answer

DIAGNOSIS The inverter board is not receiving the signal to close the output relay. Usually a tripped breaker or a fault condition the board hasn't cleared. FIX Turn the generator off. Press and hold the circuit breaker button on the control panel until you feel a distinct click. That resets it. Also, turn the Eco Mode switch OFF. Start the generator, let it run at full speed for 30 seconds, then plug in a load. IF THAT DIDN'T WORK There is a 5A fuse on the inverter control board. You need to remove the side panel to access it. Check if it's blown. A blown fuse points to a short circuit downstream. HEADS UP Always start the generator with no load connected when troubleshooting power output. Plugging in a faulty tool or appliance can cause this.

Question 8

my igen4500 won't start, just makes a clicking noise when i hit the switch. battery is new.

Accepted Answer

DIAGNOSIS The starter solenoid is clicking but the starter motor isn't engaging. This is almost always a poor connection at the battery terminals. FIX Disconnect the negative battery cable first. Remove both battery cables completely. Clean the battery posts and the inside of the cable terminals with a wire brush until shiny metal shows. Reconnect, positive cable first, then negative. Torque them firmly. IF THAT DIDN'T WORK The starter motor itself could be bad. You can test it by jumping 12V directly from the battery positive to the starter's terminal (with the generator off). If it still doesn't crank, the starter needs replacement. HEADS UP Never work on battery connections with the generator running. A loose battery connection can also cause erratic voltage output from the generator while it's running.

Westinghouse iGen4500 Inverter Generator

Other Generators