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Rotary Valve stopped with its rotation
sensor on (sensor signal 1).
The sensor is faulty and it is always
showing on (sensor signal 1).
See Rotary Valve and Rotary Valve
Sensor in Section 8.1.6 Oxygen
Controller Status for details.
Go to Simulate menu, set MFC
flow to 20 l/h and check the
rotation of the Rotary Valve.
Check ROTARY VALVE SENSOR
signals (1 “on” and 0 “off”) in the
Oxygen Controller Status menu as
the valve rotates.
Replace the valve.
When the warning is cleared, the
green LED, labeled as “Stepper”
on the Oxygen Controller Board,
should be on.
Rotary Valve stopped with its rotation
sensor off (sensor signal 0).
The sensor is faulty and it is not
sensing the rotation of the pump.
Sensor in Section 8.1.6 Oxygen
Controller Status for details.
Go to Simulate menu, set MFC
flow to 20 l/h and check the
rotation of the Rotary Valve.
Check ROTARY VALVE SENSOR
signals (1 “on” and 0 “off”) in the
Oxygen Controller Status menu as
the valve rotates.
Replace the valve.
When the warning is cleared, the
green LED, labeled as “Stepper”
on the Oxygen Controller Board,
should be on.
The current drawn through the Ozone
Generator has dropped below 0.5 Amp
for longer than 5 seconds. Fuse 4 (for
Cooler and Ozone Generator) is blown on
the motherboard. See Section 5.2.4
System Fuse Specifications for
details.
Check/replace the fuse 4 (F4) on
the motherboard.
Check fuse holder and confirm
that the fuse is snapped in tightly
into the fuse holder.
Press the “RESET” button on the
motherboard.
Power off the BioTector, wait 30
seconds and power up.
Go to Simulate menu, turn the
OZONE GENERATOR on and
adjust Ozone Current to 1 Amp
(±0.05 Amp) using the
potentiometer on the Ozone
Generator box.
If this optional device is fitted, the
voltage on the Ozone Generator Fan
has dropped below 1.5 Volts or has
exceeded 3.5 Volts for longer than 5
seconds.
Check the operation of the fan
inside the Ozone Generator.
Check wiring on terminals N01
and N03 on the Ozone Generator
Board.
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