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error Purgear

Error Code Er

Error indication during parameter saving or system check.

? What Causes This

Issues with the internal system calibration, incorrect settings, sensor error.

How to Fix It

  1. Press any key to restore default value and enter normal working mode if screen shows "Er" after power on.
  2. Ensure correct settings are entered following proper steps for parameter modification.

This error code appears in:

Purgear Stc 1000 Digital Thermostat