Troubleshooting - Volvo Penta TAD1630G Workshop Manual

Troubleshooting

1. Engine does not start
Starter motor does not turn engine
CAUSE
•
Discharged batteries
•
Main switches off
•
One of the semi-automatic fuses in the junction box
has tripped (position 5 in the engine wiring diagram)
•
Poor contact/breaks in connections and electrical cables
•
Faulty ignition switch/start button
•
Faulty start relay
•
Faulty starter motor/solenoid
•
Water in compression chamber
Starter motor turns slowly
CAUSE
•
Discharged batteries
•
Poor contact/breaks in connections and electrical cables
156
Troubleshooting
Charge/replace the batteries (or connect auxiliary batteries
as described in section "Starting with auxiliary battery").
Turn on the main switches.
Reset the fuse by pressing the button.
Rectify any open-circuits/loose connections. Check for oxi-
dation on the contacts. Clean them and spray with damp-in-
hibitor spray. See "Wiring diagrams".
Replace ignition switch/start button
Replace start relay
Check starter motor/solenoid.
Do not make any more attempts to start if you suspect water
in compression chamber. Check the engine.
Charge/replace the batteries (or connect auxiliary batteries
as described in section "Starting with auxiliary battery").
Rectify any open-circuits/loose connections. Check for oxi-
dation on the contacts. Clean them and spray with damp-in-
hibitor spray. See "Wiring diagrams".
REMEDY
REMEDY
Group 22