Fault-Tracing - Volvo Penta TAMD63L Instruction Book

1. Engine does not start
Starter motor does not turn engine over
CAUSE
The reverse gear is not disengaged (applies to
control with neutral position switch)
TAMD73P and TAMD74: The controls have not
been calibrated
Discharged batteries
Main switches off
One of the semi-automatic fuses in the terminal
box has tripped (see page 71 for instructions on
resetting fuses)
Poor contact/open-circuit in wiring
Key switch malfunction
Faulty starter relay
TAMD73P and TAMD74: Faulty main relay
Starter motor/solenoid (control solenoid) malfunc-
tion
Water in the engine
* Note. TAMD63 and TAMD73WJ have no stop relay.
Starter motor turns over slowly
CAUSE
Discharged batteries
Poor contact, electrical cables

Fault-tracing

REMEDY
Put the reverse gear control lever into neutral
Calibrate controls as per instructions on pages 18–20
Charge/replace the batteries (or connect up auxiliary
batteries as shown on page 70)
Switch on the main switches
Reset the fuse by pressing in the button.
Rectify any open-circuits/loose connections. Check
for oxidation on the contacts. If required, clean and
spray connection with damp-inhibitor spray. See the
wiring diagrams on pages 74–89.
Replace key switch
Replace start relay (or swap temporarily with stop
relay*)
Replace main relay (or swap temporarily with stop
relay)
Contact an authorized Volvo Penta service mechanic
Contact an authorized Volvo Penta service mechanic.
Do not make repeated attempts to start the engine if
you suspect water in the engine.
REMEDY
Charge/replace the batteries (or connect up auxiliary
batteries as shown on page 70)
Rectify any loose connections. Check for oxidation on
the contacts. If required, clean them and spray
connections with damp-inhibitor spray.
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