136
[17] 4-Way Valve Reversing Failure
Reconnect
If connection between 4-way
valve and PCB is good
If coil of 4-way valve
fixed well and if its
characteristic is
correct
If system meets
condition of 4-way
valve reversing: Pd-
Ps>0.6Mpa
Measure if CN5 voltage
on PCB is 208/230VAC
after 4-way valve reversing
conditon is met
If there is air noise after 4-way
valve reverses, and if the
temp. of connection pipes
with 4-way valve is
normal
Fix again or replace the sensor
Check if compressor is operation
Replace PCB
Replace 4-way valve
Y
Y
Y
N
Y
N
N
Y
N
Содержание 4TXM2318BF300AA
Страница 102: ...100 PCB 0151800611 4MXE2309BF0W0AA 4MXE2312BF0W0AA...
Страница 116: ...114 PCB 0151800364D Power Module 0011800377C...
Страница 117: ...115 Power Module 0011800377AJ PCB 0151800364C...
Страница 153: ...151 Screw 0010600325 Terminal block 0010452210E Connection cable 0150400330 Install the connection cable like this way...