In the event that your FR-810B is unable to heat-up please check the following guidelines for troubleshooting the unit.

1. An H-E error is present on the display.

When an H-E ( Heater Error) has displayed this is usually an indication that a failure has occurred within the heating element, Or it can mean the heater is not properly installed into the handle.

2. An S-E error is present on the display

When an S-E ( Sensor Error ) has displayed this is usually an indication that a failure has occurred in the sensor circuit of the heating element 

Follow the steps listed below to Verify the resistance Value of your heating element as well as the sensor.

 3. If not error messages are displayed on the unit but the unit will not heat up the timer setting may need to be adjusted. The Factory default for temperature and timer settings are 600°F and ( - - - ) 

The timer setting on the display should read (- - -) for normal function if no specified time has been set into the unit, In the event that your unit displays (000) in the timer setting the unit will not heat up.

To check the current timer setting press the * key once.

The display will first read the set temperature followed by the timer setting.

To change the Timer setting on your unit follow the steps below.

For further assistance on Troubleshooting your Hakko FR-810B hot air rework station please contact American Hakko Products.

Support@HakkoUSA.com

1-800-42-HAKKO(42556)