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error Ketotek
Error Code Er
System error detected during power-on self-check. The controller has identified a fault condition.
? What Causes This
Internal system error or sensor malfunction detected during startup self-check.
✓ How to Fix It
- When 'Er' is displayed on screen, press any key to restore default values.
- The system will enter normal working mode.
- It is advisable to reset the parameter values after this condition occurs.
This error code appears in:
Ketotek STC-1000 Temperature Controller