Xylem BMAID R4 - Manual (Page 32)

PAGE 32
Residential Water Systems
CentriPro
aquaVar Solo (formerly known as balanced flow) troublEShootING
fault blINk CoDES (continued)
rED lIGht CoDES
flashes Controller Status Description
2 Blinks Dry Well This fault can be caused by:
• Water supply level in well falls below suction inlet of pump.
• Plugged suction screen.
• Restriction in pipe between pump and pressure sensor.
• Air bound pump – see “Purging System”
• Incorrect setting of “MAXIMUM SPEED” switch. Be sure to set the “MAXIMUM
SPEED” switch to 80 Hz when using mismatched pumps (water ends) and
motors.
• Incorrect setting of “MOTOR OVERLOAD SETTING (SFA)” switch. Ensure the
Motor Overload Setting (SFA) Switch is not set higher than the Service Factor
Amps (SFA) listed on the motor nameplate.
• Need for Dry Well Power Calibration. Perform Dry Well Power Calibration as
described in ADVANCED SETTINGS section.
In systems where the motor operates at less than Service factor amps the
controller may show a false “dry well” fault. See Dry well Sensitivity Section.
If problems persists, please verify supply capacity.
The controller will automatically restart according to the chart below.
Dry well fault reset table:
fault 1 (Start Point) - resets after 1 minute
fault 2 - resets after 10 minutes
fault 3 - resets after 20 minutes
fault 4 - resets after 30 minutes
fault 5 - resets after 60 minutes and every 60 minutes thereafter
Dry well can be reset by pressing both pushbuttons at the same time
or by turning off the power. A fixed, 1 minute, restart time is also
available. See ADVANCED SETTINGS section.
3 Blinks Sensor Fault This fault can be caused by:
• Disconnected sensor. Disconnect sensor from sensor cable connector and
reconnect to ensure a good connection.
• Disconnected sensor cable lead inside the controller. Check for loose wires where
the sensor cable connects to the circuit board by tugging on each wire.
• Broken wire in the sensor cable.
• Miswired sensor cable. Check that the wires are connected to the correct
terminals on the sensor connector. The correct location of the wires is indicated
on the circuit board. B=Black, R=Red, W=White.
• Failed sensor. With the sensor cable connected to the circuit board, measure the
DC voltage between the black and white wires of the sensor cable at the sensor
connector. The voltage measured should be between 0.5Vdc and 4.5Vdc
depending on the system pressure, see chart below.
• A vacuum on the sensor (transducer) of 17" Hg or more will cause a sensor fault,
eliminate the vacuum.
The controller will
automatically restart
according to the chart
shown on the right. If
fault persists contact
installer.
The controller will not
run if the signal from
the sensor is discon-
nected or out of toler-
ance. The controller
will automatically
restart when the sig-
nal is within tolerance.
If fault persists contact
installer.