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59
Code of
malfunction
Description of malfunction Malfunction reason Troubleshooting
1 Over-voltage or Under-voltage Voltage is beyond nominal voltage ±25%
Check your power supply by multimeter. If below nominal voltage 25%, pls recharge or change
battery. If above nominal voltage 25%, please change your power supply.
2 Over-heating
1. Blockage in the air inlet or air outlet Clear the air inlet or air outlet if there is a blockage.
2. Blockage in the exhaust pipe Clean the exhaust pipe if there is a block.
3 Fault of ame sensor
1. Incorrect connection Check all the plug-in connectors and ensure lead is not loose. Rectify if required.
2. Short circuit or open circuit of lead
Check for a short circuit or open circuit of lead of ame sensor with a multimeter. Fix it or
replace as necessary.
3. Damage of motor Check continuity of ame sensor by multimeter. If it fails replace it
4 Fault of motor
1. Incorrect connection Check all the plugs for secure connection and rectify if necessary
2. Short circuit or open circuit of lead
Check whether there is short circuit or open circuit of motor lead by multimeter. If yes, please
x it or replace it.
3. Damage of motor Check whether motor rotation is normal after energized detection. If not, please replace it.
5 Fault of glow plug
1. Incorrect connection Check whether all the plug connections are secure and rectify where necessary
2. Short circuit or open circuit of lead
Check whether there is short circuit or open circuit of motor lead by multimeter. If yes, please
x it or replace it.
3. Damage of glow plug Check glow plug’s resistance between two leads. If it is not between 1-4 ohms, pls replace it
6 Fault of over-heating sensor
1. Incorrect connection Check all the plugs for secure connection and rectify if necessary
2. Short circuit or open circuit of lead
Check whether there is short circuit or open circuit of lead by multimeter. If yes, please x it or
replace it.
3. Damage of over-heating sensor Check whether there is a damage of over-heating sensor. If yes, please replace it.
7 Fault of fuel metering pump
1. Incorrect connection Check all the plugs for secure connection and rectify if necessary
2. Short circuit or open circuit of lead
Check whether there is short circuit or open circuit of lead with multimeter. If yes, please x it
or replace it.
3. Damage of fuel metering pump Check fuel pump’s resistance between two leads. If it is not between 15-25 ohms, pls replace it
8 Fault of temperature sensor
1. Short circuit or open circuit of lead
Check whether there is short circuit or open circuit of lead by multimeter. If yes, please x it or
replace it.
2. Damage of temperature sensor Check whether there is a damage of temperature sensor. If yes, please replace it.
9 Ignition failure
1. No fuel in the container Check whether there is fuel or enough fuel in tank
2. Fuel pipe blocked or broken
Check whether the pipe is blocked by impurity and each connection is intact. if so, please repair
or replace it.
3. Fuel pipe blocked by fuel condensation
If there is fuel condensation, please use fuel which is suitable for low temperature to replace
previous fuel.
4. Blockage in exhaust pipe Please clean the exhaust pipe if there is a block.
5. Fault of controller Replace the controller
10 Flame failure
1. Not enough fuel in container Provide enough fuel
2. Fault of ignition sensor Troubleshooting or replace it.
Trouble shooting and fault guide
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