Operating instructions

4 Using the MICROMASTER 420 Issue B1
MICROMASTER 420 Operating Instructions
52 6SE6400-5AA00-0BP0
4.5 Faults and warnings
SDP
If an SDP is fitted, the fault states and warnings are indicated by the two LEDs on
the panel, see section 6.1 on page 68 for further information.
Fault-free operation of the inverter is indicated by the following sequence of LED
displays:
Ø Green and yellow = Ready to run
Ø Green = Run
BOP
If a BOP is installed, the last 8 fault conditions (P0947) and warnings (P2110) are
displayed if a fault condition occurs. For further information, please refer to the
Parameter List.
AOP
If the AOP is fitted, the fault and warning codes are displayed on the LCD panel.