ERROR MESSAGES
When the error detection software in the Hakko 850D detects an error, a message is
displayed to alert the operator. See “Troubleshooting” for procedures to correct the error.
Sensor 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.
Heater Error
This error occurs when the temperature of the hot air
is falling even though the heater is on.
flashes
to indicate the possibility of a heater failure.
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