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AS AN AMAZON ASSOCIATE I EARN FROM QUALIFYING PURCHASES.

RYOBI 40V LITHIUM-ION CORDLESS MOWER Flashing Red And Green

CONF DIAGNOSIS ACTION
96%
CONF
40V 6.0 Ah Lithium-Ion Battery
The internal Battery Management System (BMS) has detected a voltage differential across cell strings that exceeds safety parameters. This triggers a permanent failure flag in the EEPROM, causing the charger to refuse energy transfer to prevent potential cell venting or combustion.
VIEW ON AMAZON #CommissionsEarned
3%
CONF
40V Fast Charger
Faulty logic gates or a malfunctioning voltage comparator within the charger's circuitry can cause a 'false positive' defective reading. If the charger's microcontroller fails to accurately interpret the battery's thermistor resistance, it may default to the Red/Green fault state.
SKU: OP404A
VIEW ON AMAZON #CommissionsEarned
1%
CONF
Battery Terminal Block
Oxidation or carbon tracking on the communication terminals can interfere with the low-voltage handshake between the battery and charger. This impedance prevents the charger from verifying the pack's health, resulting in a generic fault code.
VIEW ON AMAZON #CommissionsEarned

DIY Repair Guide

Watch exactly how to replace the 40V 6.0 Ah Lithium-Ion Battery.

// NOTICE: This report is generated by an Agentic AI Engineer utilizing probabilistic modeling.

PartSniper is an automated parts recommender service. AI-generated results may not be correct. This data is not a substitute for professional engineering advice or manual inspection. Always verify part compatibility and disconnect power before any repair. PartSniper is not liable for inaccuracies, injury, or damage.

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