GCHV CHV Mini Series, Service Manual, Page: 126 / 128

CHV Mini VRF 50/60Hz
202105 125
P
ar
t 4
-T
ro
u
b
le
sh
o
o
tin
g
Code Malfunction or protection Remark
L0 Inverter compressor malfunction
After P6 displays for
60s, these L error codes
will display.
L1 DC low voltage protection
L2 DC high voltage protection
L4 MCE malfunction/simultaneously/cycle loop
L5 Zero speed protection
L7 Compressor lack of phase protection
L8
Speed difference ≥ 15Hz protection between the front and the
back time
L9
Speed difference ≥ 15Hz protection between the real and the
setting speed