Engine Trouble Shooting - TOYAMA TDMG25 Guia Del Propietario

4.3 Engine Trouble Shooting

Trouble
symptom
Capacity of the start-up battery is
insufficient
The control panel without access to
electricity
The unit
Some units（EFI）have powered up
can not be
before passing self inspection.
started
Failure of starter relay
Failure of the starter
The unit is stuck and could not be
started by manual
Capacity of the start-up battery is
insufficient
Insufficient preheat before start
The start accelerator potentiometer of
some units equipped with electronic
speed controller is too small
Temperature of unit is low
Unit is located in plateau, and air is
rarefied
Misuse the wrong type or grade of fuel Replace the fuel.
Fuel contains water
The unit is
difficult to
start or There is some air or no fuel in the fuel
start time system
is too long
Fuel filter clogging
Air intake system clogging
Failure of fuel injection pump and
nozzle (clogging)
Failure of fuel transfer pump
Failure of the electromagnetic valve for
shut-down
Exhaust system clogging
Failure of electronic speed controller
Fuel contains water
The unit
can not
keep
There is some air or no fuel in the fuel
running system
Table 4-3 Engine Troubling Shooting Table
The probable reason Corrective action
Service the batteries (charge), and replace the
batteries if necessary
Check whether the fuses on the control panel
are fused.
Restart after resetting the controller(wait for
3~4s)
Replace the starter relay
Troubleshooting, and replace if necessary
Inspect thoroughly, and find the cause
Service the batteries (charge), and replace the
batteries if necessary
Check the preheat components
Refer to the attached manual of the electronic
speed controller, and adjust the potentiometer
properly.
Jacket water heater is recommended
Unit should idle for a while, then run at full
speed
Replace the fuel, and water separator is
recommended
Prime the fuel system
Periodic replacement of fuel filter
Periodic replacement of air filter
Inspect the pump by authorized personnel. It is
mostly caused by use of unqualified fuel for a
long time.
Check and repair, replace if necessary.
Check and repair, replace if necessary.
Check and troubleshooting
Check whether the controller is power on,
replace if necessary.
Replace the fuel, and water separator is
recommended
Prime the fuel system
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