Mitsubishi Electric PUHZ-SHW80VHA Service Manual page 43

C h ec k c ode
A b normal p oint and detec tion meth od
N O A C K signal
OCH526C
C ase
1
2
3
4
5
6
1
2
3
1
2
3
4
Judgment and ac tion
A lway s try th e followings wh en th e error
" A 7 " oc c urs.
1
2
3
4
5
1 5
6
6
1 5
1 5
1 6