Document #: 020-17475-00 Revision: E
Page #: 27 of 63
Problem Description
Possible Reason
Corrective Action
Impeller Coupling
Alarm
Sensor ring
removed from
levitated head
Install Sensor ring on levitated head
Sensor ring cable
is disconnected
Connect the sensor ring cord to connector
on rear of control box (Figure 9).
No impeller
coupled to drive
head
Use proper impeller.
Recharge unit with proper charger.
Improper
impeller is
coupled to drive
head.
Type of charger
chosen in power
up screen
doesn’t
correspond to
actual charger
used
Adjust charger type on the power up screen
Malfunction of
sensor ring
Replace sensor ring.
Motor failure Alarm
Overheating of
the controller by
frequent starting-
stopping of the
motor
Reset the motor controller alarm. Pause
about 3 min before starting up motor. Avoid
frequent starting-stopping of the motor.
Cannot read/write to
micro SD card.
Micro card
improperly
formatted
Format micro SD card.
Power up screen
indicates “Skipped”
instead of “Charged”
on charging status
Charging
skipped during
maintenance
procedures
Turn unit off. Wait for at least 25 minutes then
start unit and charge it.
E-stop ALARM persists
after Reset
E-stop button is
activated
Deactivate E-stop button by pulling it up
until it clicks, then reset the alarm.
O.3 PROCEDURES
O.3.1 Change the frame configuration:
For compact drive unit model see Section S.
To change frame configuration follow steps below and Figures 25-27.
Release cables from the two cable clips on the angled cross bar on the frame.
At the four frame connection points loosen and remove the two nuts on the side
connections and the two nuts on the top connections.