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Jandy AquaPure Error Codes

LEVEL 1

  • 120: Low cell current in forward direction – check DC cord, clean cell if necessary or replace cell.
  • 121: Low cell current in reverse direction, same as 120 above.
  • 123: Low to no current at cell – check DC cord, clean cell or replace if necessary.
  • 124: High current indicated at the cell – this usually means a bad back board.
  • 125: Cell needs to be cleaned or replaced.
  • 126: Low current in forward direction and VAC input voltage below 100/200 VAC – check input voltage, transformer and back board voltages.
  • 127: Low current in reverse direction and VAC input voltage below 100/200 VAC – check input voltage, transformer and back board voltages.
  • 144: Low Salinity (below 2.0 gpl) – indicates the pool needs salt added. 145 - High Salinity (above 4.0 gpl), indicates pool needs to be diluted.
  • 170: Front board service condition indicated and is usually caused by low AC voltage from back board – check transformer and back board voltages.
  • 171: Back board service condition – indicates board needs to be replaced.
  • 172: Flow sensor service – clean sensor, check for damage and replace if necessary.
  • 173: Low VAC input voltage and on-board power supply is not regulated – make sure unit is wired with the proper voltage.
  • 174: Pool temperature is too high for operation of AquaPure (i.e. > 108°F). 175 - Flow sensor air lock condition or very low salinity.

LEVEL 2

  • 180: Heated sensor element not heating (generates 172 code)
  • 181: Flow sensor temperature sensor failure (generates 172 code – Flow sensor service)
  • 182: Salinity Sensor sees less than 0.2 gpl of salt, either no salt in pool or sensor air locked (generates 175 code – Flow sensor air lock)
  • 183 to 186: flow salinity sensor temperature probe error codes. They will all generate 172 codes which indicate flow sensor service is required.
  • 187: Front board power supply either too low or too high (generates 173 – Low input voltage code if Level II code 188 is present) (generates 170 code if 188 is not present).
  • 188: VAC input voltage is too low (generates 173 code if Level II code 187 is present)
  • 189: Relay not conducting in the forward direction (generates 171 code – Back board service)
  • 190: Relay not conducting in the reverse direction (generates 171 code – Back board service)
  • 191: High cell current (at upper limit of A/D converter) and cell voltage below 19V (generates 170 code front board service)
  • 192: High cell current and cell voltage below 19V (generates 171 code – Back board service).
  • 193: Measured significant cell current when SCRs were turned off (generates 170 code – Front board service).
  • 194: Cell Current is 85% lower than desired and cell voltage above 19V (generates 125 code – Cell dirty or needs replacement).
  • 195: Salinity invalid due to out of range measurements caused by front board error (generates 170 code – Front board service).

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