CDA3000 Operation Manual
5-1
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5 Diagnosis/Fault rectification
5.1 LEDs  ........................................................................5-1
5.2 Error messages  .......................................................5-2
5.3 User errors in KEYPAD operation  .............................5-3
5.4 User errors in SMARTCARD operation  .......................5-3
5.5 Errors in power switching  ......................................5-3
5.6 Reset ........................................................................5-4
5.1 LEDs  At the top right of the inverter module there are three status LEDs colored
red (H1), yellow (H2) and green (H3).  
H1 H2 H3
Device status Red LED (H1) Yellow LED (H2) Green LED (H3)
Power on  - -
●
Ready (ENPO set)
❍ ● ●
In service/Auto-tuning active
❍ ✳ ●
Warning
● ● / ✳ ●
Error
✳ (flash code) ❍ ●
❍ LED off, ● LED on, ✳ LED flashing