Vivax HPS-120HM155AERI/I1s, User Manual, Page: 149 / 229

VIVAX
ENG
48
ERROR CODE
MALFUNCTION OR
PROTECTION
FAILURE CAUSE
AND CORRECTIVE ACTION
Module protection
DC generatrix low
voltage protection
DC generatrix high
voltage protection
MCE malfunction
Zero speed protection
Speed difference >15Hz
protection between
the front and the back
clock
Speed difference >15Hz
protectiaon between
the real and the setting
speed
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.
P6