5 DIAGNOSTICS Batteries XF 95 series 1 1-2 200303 SYMPTOM: STARTING TROUBLE POOR STARTING TEST RESULT POWER FAILS UNDER LOAD Possible cause Remedy - Discharged battery - Worn battery (plates corroded and worn away) - Defective battery (‘dead cell’) - Battery too small - Battery sulphated (plates have hardened) Charge the battery Replace the battery Replace the battery Replace with battery of a higher capacity Replace the battery SYMPTOM: BURNT-IN BATTERY POLES Possible cause Remedy - Terminals not securely fitted, or poor contact Have the battery poles repaired, fit the terminals properly and replace the terminals if necessary SYMPTOM:
1 OR 2 CELLS BUBBLE EXCESSIVELY UNDER HIGH LOAD (STARTING OR STARTING TEST) Possible cause Remedy - Defective cells - Leaking cell partition Replace the battery Replace the battery SYMPTOM: BATTERY DISCHARGES VERY FAST (DOES NOT RETAIN POWER) Possible cause Remedy - Insufficient charging - Short circuit in charging circuit - Major self-discharging, for example due to contamination - Battery sulphated (on examining the plates, they are found to be hard and, in some cases, whitened) Check the charging. Is the charging time (driving time) sufficient? Check the charging circuit Clean the battery Replace the battery