Smith's RV Centre

Troubleshooting: The Battery

Troubleshooting: The Battery

Problem
Possible Cause
Correction

Excessive use of water, corrosion deposits on caps, excessive case heat, warped, or broken plates, active material shedding, damages seperators

Not holding a charge

Overcharging

 

Excessive vibration
Undercharging

 

Loose fan belt
Sulfation
Bad battery
Low electrolyte

Check regulator, check converter,
replace battery 

 

Repair hold-down
Check Regulator

 

Tighten fan belt
Perform slow charge
Replace Battery
Replenish

Won't start engine

Low voltage
Low electrolyte
Loose cable terminal
Bad cable terminal
Corroded terminals
Worn or broken cables
Cold/hot weather

Recharge battery, load-test
Replensih
Tighten terminals
Replace terminals
Clean corrosion
Replace cables
Use larger battery

Will not operate appliances and accessories

Low voltage
Low electrolyte
Loose cable terminal
Bad cable terminal
Corroded terminals
Break in wiring
Bad battery
No Power


Low output from alternate or
converter

Recharge battery, load-test
Replensih
Tighten terminals
Replace terminals
Clean corrosion
Check wiring
Replace battery
Check battery, clean terminals,
check wiring
Check fuse box
Check charging sources



 

Return to How to Guides and Videos