Governor Troubleshooting

WIN-S

Troubleshooting of Electronic Speed Control System

WIN-S Check symptoms of Failure & Sequence of Alarms

Engine Starting Failure Engine Overspeeding Engine Hunting

WIN-S Engine Starting Failure

X

√ √

Check Input to controller

Check Wiring

Next 1 Page

Engine Running

√

X

√ Check Program

X Correct Program

X Start Prev Step

Check Output from Controller

Reason Identified

Replace Controller

WIN-S Prev 1 Page

√

Check Speed Sensor & DESPMES

X

Check Speed in DESPMES

Clean Strainer

X √

Check Act Strainer

Check St. Booster

√

Rectify Start Booster

X

Start Prev Step

Next 2 Page

Engine Running

X √ Reason Identified

WIN-S Prev 2 Page

√

Check Load Indicator Position ~5

√ Check & Adjust Output Shaft

Replace Actuator

X Start Prev Step

X X

Check Current to Actuator

√ Carry out Level Adj

Check Act Coil

X Rectify Cable

Engine Running

√ Reason Identified

WIN-S Check symptoms of Failure & Sequence of Alarms

Engine Starting Failure Engine Overspeeding Engine Hunting

WIN-S Engine Overspeeding

X

Check Trueness of Overspeed

√

√

Check mech O/S Check Start Solenoid or DESPMES & Fuel System

Engine Running

X

√

Start Prev Step

Overspeed Occurring Intermittently Only During Starting

Check Speed X Sensor & Cable

Engine RPM in 721

√ Reason Identified

Next 3 Page

X

WIN-S Prev 3 Page

√

Check Sensor Gap & Act Cable

Check Act O/P ~ 5

X

Adjust Gap, Check cable for Earthing

Carry out Level Adj.

X

Start Prev Step

X

Engine Running

√

√ Problem not related to Speed Regulation System

Reason Identified

WIN-S Check symptoms of Failure & Sequence of Alarms

Engine Starting Failure Engine Overspeeding Engine Hunting

WIN-S Engine Hunting

X

Hunting (Specific Mode)

X

Adjust Sensor Gap

√

Check Sensor Voltage

√

Next 4 Page

Adjust Controller Parameters Start Prev Step

X

Engine Running

√

Reason Identified

WIN-S Prev 4 Page

√

Check Actuator & Connections

X

X Check Active Power Feedback

√

Rectify cable / actuator

Rectify Transducer / Connection

X Start Prev Step

Problem not related to Speed Regulation System

Engine Running

√ Reason Identified