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ERROR MESSAGES
When the error detection software in the Hakko 852 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. The
flashes to indicate the possibility of a heater failure.
TROUBLESHOOTING
WARNING
●
Before checking the inside of the Hakko 852 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 disconnected?
ACTION
: Connect it.
CHECK
: Is the fuse blown?
ACTION
: Investigate why the fuse blew and then
replace the fuse. If the cause can not be
determined, replace the fuse. If the fuse
blows again, send the unit in for repair.
●
flashes, indicating a
sensor error.
CHECK
: Is the sensor broken?
ACTION
: See the procedure for checking a potentially
broken sensor (p.15).
●
flashes, indicating a
heater error.
CHECK
: Is the heater broken?
ACTION
: See the procedure for checking a potentially
broken heater (p.15).
●
The timer cannot be set.
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.
●
The vacuum pump does not
stop when the vacuum button
is pressed.
16
CHECK
: Is the vacuum button being pressed for less
than 0.3 second?
ACTION
: Press the vacuum button for more than 0.3
second.