background image

press

 SELECT 

button to enter next 

digit.

press

 SELECT 

button to enter next 

digit.

Press

 SELECT 

button to enter the 

over rich warning screen. 

For example the lean warning 

setting was modified from 18.5 to 

22.4 now.

5-1

On main screen, press down 

SELECT & ADJUST

 3 seconds to 

enter the setting 

screen.

The     symbol is flashing now.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The     symbol is flashing now.
If you choose        the lean 

warning function will close.

Press select button to enter 

into airfuel rich setting screen 

Press

 ADJUST 

button to enter the 

over lean setting screen. Press  

ADJUST

 button to turn on or turn 

off the function.

press

 ADJUST 

button to input the 

number you would like to set.

Press

 ADJUST 

button to input the 

number you would like to set.

Press

 ADJUST 

button to input the 

number you would like to set.

Press

 SELECT 

to enter the over

lean setting screen.

The over rich warning setting 
screen.

The     symbol is flashing now.

The over lean warning setting.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The digit can be set if flashing 

now.

The     symbol is flashing now.
If you choose        the rich 

warning function will close.

Press select button to return to 

main screen.

Press

 ADJUST 

button to enter the 

over lean setting screen. Press  

ADJUST

 button to turn on or turn 

off the function.

Press

 ADJUST 

button to input the 

number you would like to set.

Press

 SELECT 

button to enter rich 

setting screen.

Press

 SELECT 

button to enter nex

digit.

Press

 ADJUST 

button to input the 

number you would like to set.

5-2

Back to main screen.

Press

 SELECT 

once to return to 

main screen.

Now the over rich warning setting 

is 13.8.

The over  Ratio rich warning setting.

6-1

The back light showing blue the 

       showing flash now.

1.Oxygen sensor is not connected 

   or the connection is bad.

2.oxygen sensor heater has failed. 

Solution

 

1.Check the connection of the 

   oxygen sensor if the warning 

   message keeps showing. Please 

   change to a new oxygen sensor.
2.press any button to restart the 

  Oxygen sensor after check.

The back light is showing red now.

1. Oxygen sensor has failed.

2.Battery voltage is too low 

Solution

1.Check the connection of the 

   oxygen sensor. If the warning 

   message keeps showing. Please 

   change to  a new oxygen sensor

2.Check the battery voltage.

Troubleshooting

Press any button to restart 

the oxygen sensor after 

check

Press any button to restart 

the oxygen sensor after 

check

1.Oxygen sensor has failed.

Solution

1.Check the connection of oxygen 

   sensor. If the warning message 

   keeps showing. Please change 

   to a new oxygen sensor.

Solution

1.Check the connection of oxygen 

   sensor. If the warning message 

   keeps showing. Please change 

   to a new oxygen sensor.

The back light is showing red now.

Press any button to restart 

the oxygen sensor after 

check

1.Oxygen sensor has failed.

The back light is showing red now.

Press any button to restart 

the oxygen sensor after 

check

Please install oxygen sensor as shown in  installation 2.2, wrong installation will cause airfuel ration number display abnormal.

CAUTION!

wh004ba021

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