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ERROR MESSAGES

Various error messages will be displayed when there is a problem with the
HAKKO 703B unit. If the following message is displayed, refer to “TROUBLE
SHOOTING GUIDE”.

 System Error

After the power has been turned on, the
system checks the memor y and the
programs.
If an abnormality is found, 

 will be

displayed, and all operations will be stopped.

 Sensor Error

If there is a possibility of a failure in the
sensor or anywhere in the sensor circuit,

 will be displayed and power to the

soldering iron will be cut off.

Heater Error

(Flashing of the temperature display)

If power is being sent to a soldering iron and the
tip temperature goes below the heater-error
temperature-tolerance setting, the temperature
display will flash. This indicates the possibility of
a heater malfunction.

For example, assume the temperature setting
is 400

°

C (750

°

F) and the heater-error

temperature-tolerance is 50

°

C (100

°

F). If, even

though the heater is receiving power, the
temperature of the soldering iron goes below
350

°

C (650

°

F) the display will begin to flash

indicating a possible heater malfunction.

EXAMPLE:

400 - 50

°

C = 350

°

C (750 - 100

°

F = 650

°

F) 

The display will begin to flash.

NOTE:

If the temperature begins to rise again, the
display will stop flashing, even if the displayed
temperature is below 350

°

C (650

°

F).

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Summary of Contents for 703B

Page 1: ...COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW W...

Page 2: ...100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM...

Page 3: ...ons Do not use the unit for applications other than soldering or desoldering Before Plugging In Be sure to remove the pump securing screw M4 25 marked red from the bottom of the station Failure to do...

Page 4: ...COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW...

Page 5: ...0Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM T...

Page 6: ...TW WWW 100Y COM TW WWW 100Y COM TW WW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 10...

Page 7: ...WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y...

Page 8: ...s the or UP DOWN Press the button once Press the button OPERATION Soldering iron 7 W 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW W 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WW 100Y COM TW WWW 100Y C...

Page 9: ...OM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WW...

Page 10: ...OPERATION Desoldering iron gun 9 W 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW W 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WW 100Y COM TW WWW 100Y COM...

Page 11: ...TW WW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 10...

Page 12: ...cleaning drill for the nozzle diameter If the cleaning drill is forced into the nozzle the drill bit could break or be damaged CAUTION Unfortunately it is often diffi cult to observe this condition th...

Page 13: ...perty seat the O ring against the pipe Ceramic Paper Filter L Ceramic Paper Filter L Front holder Filter Holder Spring Filter Securely insert the spring filter to the end of the filter holder CAUTION...

Page 14: ...00Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM...

Page 15: ...W WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 10...

Page 16: ...erature on P 16 No inputs are made here Press to complete parameter input The soldering temperature setting will be displayed for 2 seconds after which power will be supplied to the heater and normal...

Page 17: ...M T LB at the room temperature of 22 C 70 F adjust the CAL potentiometer until the digital display reads 20 66 22 70 2 4 20 66 Room temp Compensation value Digital display 5 Press the button to comple...

Page 18: ...M TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW...

Page 19: ...Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW...

Page 20: ...W 100Y COM TW WW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y CO...

Page 21: ...COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW W...

Page 22: ...ragm Part No Part Name Description 3 core American plug Flat Head Screw M4 12 2 Hexagon Socket Set Screw M 4 6 Note Spare or repair parts do not in clude mounting screws if they are not listed on the...

Page 23: ...COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW...

Page 24: ...00Y COM TW WWW 100Y COM TW WWW 100Y COM TW WW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW...

Page 25: ...WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y...

Page 26: ...WW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y COM TW WWW 100Y...

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