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10. ERROR MESSAGE
When the error detection software in the HAKKO FR-803B detects an error, a message is displayed to alert the
operator. See “Troubleshooting” for procedures to correct the error.
Sensor Error
Heater Error
This error occurs when there is the possibility of
a sensor failure (or a failure in the sensor circuit).
flashes and the power is shut down.
This error occurs when the temperature of the hot
air is falling even though the heater is on. The
flashes to indicate the possibility of a heater failure.
11. TROUBLESHOOTING
WARNING
●
Before checking the inside of the HAKKO FR-803B or replacing parts, be sure to disconnect the
power plug. Failure to do so may result in electric shock.
●
The unit does not operate
when the power switch is
turned ON.
CHECK
: Is the power cord or connection plug discon-
nected?
ACTION
: Connect it.
CHECK
: Is the fuse blown?
ACTION
: Investigate why the fuse blew and then replace the
fuse.
CHECK
: Is the sensor broken?
ACTION
: Measure the resistance value of the sensor.
If the resistance value is ∞, replace the parts with
the new parts.
CHECK
: Is the heater broken?
ACTION
: Measure the resistance value of the sensor.
The normal value is 33 Ω (±10%) (100-120V),
85Ω (±10%) (220-240V) at room temperature.
If the resistance value is abnormal, replace the
parts with new parts.
CHECK
: Is the station in Auto mode?
ACTION
: Put the station into Auto mode.
CHECK
: Is the value outside the setting range?
ACTION
: Enter a value that is within the setting range.
CHECK
: Is the VACUUM button being pressed?
ACTION
: Press the VACUUM button.
●
flashes, indicating a
sensor error.
●
flashes, indicating a
heater error.
●
The profile cannot be set.
●
The vacuum pump does
not stop when the vacuum
button is pressed.
