Ryobi RYRM8010 - Troubleshooting: Detailed

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Use the block diagram as a guide.
Also refer to the beep diagnostic code chart
.
1. Test Charger by plugging it into the Charging Port on the mower and checking if batteries charge.
a. If necessary, further test the Charger and Charging Port. Replace if needed.
2. Test the Key Switch by turning the key. It should have a tactile “click” when turned on or off. Replace if needed.
a. When you turn the mower on, you should hear an audible “click” from the Main Relay. If not, test and replace as necessary.
3. Check the Main Fuse.
a. If blown, check for signs of a short circuit before replacing.
4. Check the LCD Display to ensure it activates when the mower is turned on.
a. If the LCD Display doesn’t activate, check the LCD connections. Replace if necessary.
5. Check if the mower will drive. If not, check the following, in order, testing drive function after each step:
a. Make sure the Seat Switch is functional and activated. Replace if necessary.
b. Test the iDRIVE System. Replace if necessary.
c. Test the Brake Switch. Replace if necessary.
d. Test the Drive Motor Controllers. Replace if necessary.
e. Test the Drive Motors and Hall Sensors. Replace if necessary.
6. Check if the blades engage. If not, turn off blades and check the following, in order, testing function after each step:
a. Make sure the Seat Switch is functional and activated. Replace if necessary.
b. Test the Deck Motors. Replace if necessary.
c. Test the Deck Motor Controllers. Replace as a set if either is found bad.
7. Press Headlights button. If headlights don’t work, check the following, in order, testing function after each step:
a. Test Headlights. Replace if necessary.
b. Check LCD Display connections. Replace LCD Display if necessary.
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Troubleshooting: Detailed
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