Ryobi RY48130 Series User Manual

Confidential & Proprietary – Property of Techtronic Power Equipment – DO NOT COPY or DISCLOSE
SERVICE CENTER ELECTRICAL SYSTEM TROUBLESHOOTING AND TESTING GUIDE
SERIES RY48130/131 RIDING LAWN MOWERS

Ryobi RY48130 Series Specifications

General

Brand	Ryobi
Model	RY48130 Series
Category	Lawn Mower
Language	English

Summary

WARNING

OVERVIEW

BRUSHLESS MOTORS

USING THIS DOCUMENT

TOOLS NEEDED

BLOCK DIAGRAM AND CONTROL FLOW

TROUBLESHOOTING: GENERAL

TROUBLESHOOTING: DETAILED

DIGITAL MULTIMETER (DMM)

COMPONENTS LOCATION

MAIN BATTERY CONNECTION

MAIN FUSE

TESTING THE BATTERY VOLTAGE

SEPARATING CONNECTORS

CONTROL PANEL

TESTING THE PTO SWITCH

TESTING THE RMO SWITCH

TESTING THE CRUISE SWITCH

TESTING HEADLIGHT SWITCH

TESTING FUEL GAUGE / HOUR METER

TESTING KEY SWITCH

TESTING HEADLIGHT ASSEMBLY

TESTING ANGULAR TRANSDUCER

TESTING BRAKE SWITCH

TESTING THE BEEPER

TESTING THE SEAT SWITCH

CONTROLLER LOCATION

TESTING PRIMARY BLADE CONTROLLER

TESTING SECONDARY BLADE CONTROLLER

TESTING DRIVE CONTROLLER

TESTING THE PRIMARY AND SECONDARY DECK MOTORS

TESTING DRIVE MOTOR

TESTING DRIVE MOTOR HALL SENSORS

TESTING 48V TO 12V CONVERTER

RELAY BASICS

TESTING RELAY

TESTING RELAY DIODE

TESTING CHARGING PORT AND INTERLOCK

TESTING BATTERY CHARGER

CHARGER ERROR CODES

TESTING TEMPERATURE SENSOR

WIRE HARNESS

PRE AND POST REPAIR CHECKLIST

TROUBLESHOOTING

ELECTRONICS TIPS FOR TECHNICIANS

ELECTRONICS TERMS AND SYMBOLS

USING DMM TO MEASURE VOLTS

USING DMM TO MEASURE RESISTANCE