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TROUBLESHOOTING
Please review the following recommendations before contacting Quanser's technical support engineers.
A.
Amplifier does
not power up.
B.
A.
Motor/actuator is
not being driven.
B.
A.
Enabled LED
B.
is red.
C.
A.
B.
No analog
C.
readings from
the amplifier.
D.
E.
F.
For further assistance from a Quanser engineer, contact us at tech@quanser.com or call +1-905-940-3575.
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Make sure the power cable is firmly connected to the power connector on the back of the amplifier.
Verify that the fuses are not burnt. If a fuse is burnt, see the VoltPAQ-X2/X4 User Manual for fuse rating and
replacement information.
Ensure the Enabled LED for the amplifier channel being used is lit green. If the LED is red, consult the next
troubleshooting step. If the LED it not lit at all, consult the first troubleshooting step.
If the VoltPAQ-X2/X4 is being used with a Quanser system, verify that all the connections illustrated in the
User Manual for that Quanser product have been made correctly.
Verify that the fuses are not burnt. If a fuse is burnt, see the VoltPAQ-X2/X4 User Manual for fuse rating and
replacement information.
The amplifier might be overheated. Power down the amplifier and let it rest for 5 minutes.
If the Emergency stop switch (optionally purchased through Quanser) is connected to the amplifier, make
sure the red button is in the upper position to enable the amplifier. The amplifier cannot be enabled when
the button is in the lower position. Twist the button to ensure it is in the enabled position.
Verify that the Power LED is lit. If this LED is not lit, the amplifier is not powered or fuse replacement is required.
Consult the troubleshooting step Amplier does not power up.
Ensure the 5-pin mini-DIN analog cable (supplied with Quanser experiment) is firmly connected from the
amplifier socket (e.g., S1 & S2 connector) to the sensor on your device (e.g., tachometer).
If the VoltPAQ-X2/X4 is being used with a Quanser system, verify that all the connections illustrated in the
User Manual for that Quanser product have been made correctly.
Confirm that the Analog Sensors RCA connector on the amplifier is connected to the correct analog input
channel on the data acquisition (DAQ) device.
Ensure the analog input channels on your data acquisition (DAQ) device are working. Refer to your DAQ User
Manual for information on how to test it.
If the sensor is working, then the Analog Sensor Input connector "S1 and S2", " S3" or "S4" socket may be
defective. Try using a different Analog Sensor Input.
Full range of power amplifiers from Quanser
VoltPAQ-X4
To find out about the full range of Quanser Control modules,
To find out about the full range of Quanser control experiments, visit www.quanser.com
visit www.quanser.com
AMPAQ-L2
AMPAQ-L4
v.1.3
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