TOHATSU MD 30B2 Service Manual page 330

O
Troubleshooting
K
Go into process of the self-diagnosis operation from here.
Set the key to "ON", and push it in (for approximately 5
seconds) until the buzzer sounds.
Self-Diagnisos Mode 1[Tachometer Operation Test]
After the pointer returns to "zero", the process goes to mode 2
automatically.
Self-Diagnisos Mode 2[Indication of engine operation hours]
A combination of tachometer indication and three warning
lamps represents engine operation hours.
→Refer to Operating Hours Indication List.
Set the key to "ON", and push it in (for approximately 1 seconds)
until the buzzer sounds to proceed to mode 3.
Self-Diagnisos Mode 3[Indication of fault location(s) and fault
history]
After the buzzer "Beeps" once, a combination of tachometer
indication and three warning lamps represents the first fault
location and fault history.
→Take action(s) by referring to the fault indication list.
Then, every time the key switch is pushed in at "ON" position for
approximately 1 second until the buzzer sound, the next fault
location and the fault history are represented.
When all the fault locations are represented by going through the
above operations, a state of no indication occurs. Then, when the
key switch is pressed, representation of the fault locations starts
again from the first one.
No indications are represented when there is no fault history
(Tachometer and warning lamps do not operate.)
9-34
ON
5
seconds
Beep!!
Beep!! Beep!!
ON
1
seconds
Beep!!
ON
1
seconds
Beep!!
TLD D30/40/50B2 2013