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

Diagnosis

The failure of the wireless remote start fob on the Westinghouse iGen4500 usually stems from a loss of synchronization between the fob's transmitter and the generator's internal receiver module. Even after replacing the CR2032 battery, the unit may remain unresponsive if the pairing handshake was interrupted by a power surge, a long period of inactivity, or electromagnetic interference. In many cases, the fob is sending a signal, but the generator is ignoring it because the unique ID code is no longer recognized. To confirm if the issue is a pairing failure or a hardware malfunction, check the control panel for any blinking indicators when the fob button is pressed. If the generator shows no reaction whatsoever—no lights, no relay clicks—the problem is either a dead receiver board or a complete desync. If you hear a faint "click" from the unit but the engine doesn't crank, the issue is likely a faulty starter solenoid or a blown fuse rather than a remote pairing problem.

How to Fix It

To restore the connection between your iGen4500 and the remote fob, you must perform a hard manual resync. Follow these exact steps to reset the wireless link:

1. Turn the generator's main power switch to the OFF position. Ensure the engine is completely stopped and the unit has cooled down.
2. Remove the battery from the remote fob for 60 seconds to clear the fob's internal volatile memory, then re-insert a fresh, name-brand CR2032 lithium coin cell.
3. Move the fob within 3 to 5 feet of the generator's control panel. Being too far away during the pairing process can cause the sync to fail.
4. Turn the generator power switch to the ON position.
5. Immediately press and hold the START button on the remote fob for 5 to 10 seconds. You should see the control panel lights flicker or hear a relay click, indicating the receiver has acknowledged the signal.
6. Release the button and wait 3 seconds. Press the START button once firmly to initiate the engine cranking sequence.

If That Didn't Work

• Check the Control Panel Fuse: The remote receiver is powered through the main control board. If the 10A or 15A fuse on the panel has blown, the generator will start manually via the pull-cord or switch, but the wireless receiver will be dead. Inspect the fuse holder for any signs of scorching or a broken filament.
• Inspect the Antenna Lead: Open the control panel housing (ensure power is off) and locate the small wire antenna extending from the receiver board. If this wire is pinched, frayed, or disconnected from the solder point, the range will drop to nearly zero, making the fob appear broken even if it is paired.
• Test for Signal Interference: If you are operating the generator near high-voltage power lines, large metal structures, or other RF-emitting devices, the 433MHz signal used by the iGen4500 can be jammed. Move the generator to an open area and attempt the sync process again.
• Verify Battery Contact Tension: Some iGen4500 fobs have loose battery tabs. Use a small precision screwdriver to gently bend the positive (+) contact tab upward to ensure it is making a tight, pressurized connection with the CR2032 battery.

Heads Up

• Avoid Generic Batteries: Cheap, off-brand coin cells often have slightly lower voltage outputs (3.0V instead of 3.3V), which may be enough to light the fob's LED but not enough to transmit a strong signal to the generator.
• Storage Warning: If storing the generator for more than three months, remove the battery from the remote fob to prevent acid leakage and terminal corrosion.
• Safety First: Never attempt to use the remote start if the generator is in an enclosed space or if the fuel cap is not securely tightened, as the remote bypasses your ability to immediately kill the engine if a leak occurs.