Chigo CS-25V1A-H1; CS-35V1A-E2; CS-50V9A-S; CS-70V9A-T - 8 The malfunction code: P3 (The indoor input current is large)

8、 The malfunction code:
P3 (The indoor input current is large)
Y
Check whether the compressor’s winding
value is normal （ refer to SNYO
C-6RZ146H1A winding value: T-R 0.452Ω
T-S0.452Ω R-S0.452Ω）
N
The compressor is bad，then
change it.
Change IPM board, check
whether it is normal
Y
Turn on the unit
Check the ambient temperature whether it is more
than the running temperature(cooling:10~46℃,
hot:-15~24℃)
Y
Please wait the conditions returned to
normal then run it if the operating
conditions is very bad.。
The faulty cause：
1、the ambient temp exceed the temp
range of the A/C’s running
2、the outdoor PCB’s hardware is bad
3, disconnecting valve of outdoor is
close.
4
,
outdoo
r
motor can’t run.
Change PFC board 。
N
Y
The IPM board is bad, change it.
Outdoor motor can’t run. Check whether the
winding of motor is normal or not. ( main
windings is about 100Ω, the aux winding is
about 200Ω)
Check whether shutoff valve of outdoor is
open.
Open the shutoff valve
Motor damages. Change motor.
Y
Y
N
N