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Symptom
Cause
Countermeasures
Rotation error alarm [A19] is displayed.
The set rotation is not reached or considerably below
it due to overload or rusty bearing.
Remove any overload.
If this alarm still occurs, immediately stop
operation and contact your dealer or the nearest
service center.
You can clear [A19] indication by pressing the dial
key.
The motor or the control board is malfunctioning.
Immediately stop operation and contact your
dealer or the nearest service center.
Power outage recovery alarm (at OFF)
[PoF]
⇔
[0] is displayed alternately and
rotation will stop.
Power shut off during rotation and then recovered.
You can clear the indication by pressing the dial
key.
The alarm display can also be cleared by resuming
rotation by pressing the RUN/STOP key.
Power outage recovery alarm (at ON
）
[Pon]
⇔
[Number of measured rotations] is
displayed alternately during rotation.
Power shut off during rotation and then recovered.
You can clear the indication by pressing the dial
key.
[___]
（
underbar only) is displayed.
The display board and the control board are
malfunctioning.
Immediately stop operation and contact your
dealer or the nearest service center.
