INVENTOR ATS08S Benutzer- & Installationshandbuch Seite 37

ERROR
CODE
Module protection
DC generatrix low voltage
protection
DC generatrix high voltage
protection
P6
MCE malfunction
Zero speed protection
Speed difference >15Hz
protection between
the front and the back clock
Speed difference >15Hz
protection between
the real and the setting speed
MALFUNCTION
OR PROTECTION
37
FAILURE CAUSE
AND CORRECTIVE ACTION
1. Check the Heat pump system pressure;
2. Check the phase resistance of compressor;
3. Check the U、V、W power line connection sequence
between the inventer board and the compressor;
4. Check the L1、L2、L3 power line connection between the
inventer board and the Filter board；
5. Check the inventer board.