Possible malfunctions of the generator, their causes and remedies
Cause of malfunction | Remedy |
When the ignition is switched on, the low battery indicator light does not light up | |
Broken wire between generator, switch (castle) ignition and signal lamp | Repair the break |
Low battery warning light does not go out after starting the engine | |
Poor accessory drive belt tension | Check belt tension, replace belt |
Faulty generator (the generator brushes are worn out or do not fit tightly to the slip rings, the excitation winding of the generator burned out, the rectifier unit or voltage regulator is faulty) | Replace or repair generator |
Short circuit on «mass» wires between generator and signaling device | insulate wire |
The alternator does not charge the battery | |
Oxidation of battery terminals | Strip, fasten and lubricate the cable lugs and battery terminals with petroleum jelly |
Battery faulty | Replace battery |
Poor accessory drive belt tension | Check belt tension, replace belt |
Faulty generator voltage regulator or rectifier unit | Replace voltage regulator or rectifier unit |
The battery is being recharged | |
Faulty generator voltage regulator or rectifier unit | Replace voltage regulator or rectifier unit |
Increased voltage drop in the generator-battery circuit | Check, clean, tighten or replace contact connections in the circuit breaker (castle) ignition, fuse and relay mounting blocks, connectors, check the connection of the generator housing with «weight» |