Mitsubishi Electric PUHZ-SHW80VHA Service Manual page 38

C h ec k c ode
A b normal p oint and detec tion meth od
P F C error ( O v erv oltage/
U nderv oltage/ O v erc urrent)
P F C / I G B T error
( U nderv oltage)
O v erh eat p rotec tion
A b normal p ressure of 6 3HS
C omp ressor ov erc urrent interrup tion
( W h en c omp ressor loc ked)
C urrent sensor error or in p ut c urrent error 1
L ow p ressure ( 6 3L op erated)
OCH526C
1
2
3
1
:
2
3
1
2
3
1
2
3
4
5
2
3
1
2
3
4
5
6
C ase
1
2
3
1
23
1
2
3
1
2
3
4
5
1
2
3
1
2 4
5
6
Judgment and ac tion