SAJ PDS33 Series - User Manual

Questions and Answers

J
Jennifer YangSep 12, 2025
Why does the switch trip on my SAJ Controller?
- L
  Loretta Phillips DDSSep 12, 2025
  If the SAJ Controller switch trips, it could be due to an installed leakage switch or air switch overload, so replace the air switch (without leakage) or replace the air switch with a larger capacity. It could also be due to abnormal input power, so check input power and eliminate short circuit. If these steps don't work, look for technical support, as the internal instrument may have failed.
S
Sherri JohnsonSep 12, 2025
Why is the DI terminal failing on my SAJ Controller?
- K
  Kevin WarrenSep 12, 2025
  If the SAJ Controller DI terminal is failing, it may be due to incorrect parameter settings, so check and reset the F5 group parameters. It could also be due to an external fault, so reconnect the signal wire and clear external faults. If these steps don't work, look for technical support, as the control board may have failed.
D
Daniel EsparzaSep 10, 2025
What causes overload of buffer resistor in SAJ Controller?
- D
  david75Sep 10, 2025
  If the SAJ Controller experiences overload of the buffer resistor, it is due to abnormal input voltage, so adjust input voltage to normal range.
J
Jeffrey TrujilloSep 9, 2025
What causes an output phase loss on a SAJ Controller?
- B
  bbrownSep 9, 2025
  If the SAJ Controller shows an output phase loss, it could be due to broken wires in the output cable, so check the wiring and installation.
F
fwellsSep 8, 2025
Why my SAJ Controller pump cannot run?
- E
  Edwin RobinsonSep 8, 2025
  If your SAJ Controller pump cannot run, it could be due to a lack of input power. Increase panel power or restart at enough light. The motor might have failed or is stuck, so replace the motor or check for mechanical fault. Also, make sure that the wiring of the motor is correct.
M
Mr. Eric EstesAug 23, 2025
Why is my SAJ Controller showing over-current during acceleration?
- L
  Lindsey JohnsonAug 23, 2025
  If your SAJ Controller experiences an over-current during acceleration, it could be due to a few reasons. The acceleration might be too fast; in this case, try increasing the acceleration time. Alternatively, the input voltage might be too low, so check the input power supply and wiring. Finally, the controller itself might be under-rated, requiring a replacement with a higher-rated controller.
K
Keith BryantSep 6, 2025
Why is the motor making a big noise with my SAJ Controller?
- J
  John FrostSep 6, 2025
  If you are experiencing a big noise from the motor connected to your SAJ Controller, the motor may have failed or is stuck, so replace the motor or check for mechanical faults. Also, the carrier frequency might be abnormal, so increase it properly.
S
Steven McgeeSep 5, 2025
What causes an input phase loss on a SAJ Controller?
- B
  Brian MartinezSep 5, 2025
  If the SAJ Controller is showing an input phase loss, it is due to an abnormal input power source. Check the input power source and wiring.
N
nicoleevansSep 4, 2025
Why is my SAJ Controller showing under voltage of DC bus?
- C
  Christina MullinsSep 4, 2025
  If your SAJ Controller is showing an undervoltage of the DC bus, it is because of too-low input voltage. Check the input power supply or wiring.
S
Susan CaldwellSep 3, 2025
What causes over-voltage during acceleration in SAJ Controller?
- E
  Eric RobertsonSep 3, 2025
  If the SAJ Controller shows an over-voltage during acceleration, it may be due to abnormal input voltage, so check input power. Another cause could be restarting the motor when instantaneous trip-off occurs; avoid prompt restart when trip-off.

SAJ PDS33 Series Specifications

General

Category	Control Unit
Model	PDS33
Rated Grid Frequency	50 Hz / 60 Hz
Communication	RS485, Ethernet
Protection	DC Reverse Polarity Protection, AC Short Circuit Protection, Overcurrent Protection, Overvoltage Protection, Insulation Monitoring, Residual Current Monitoring, Temperature Protection