Mitsubishi FREQROL-SF Troubleshooting Manual page 47

Cause
The PIN1 and PIN2 of the
printed circuit board
SF-CA card are incor-
rectly set.
Check
(SF-PW module) is normal and
the amplifier display (LED)
does not indicate any mes-
sage.
Check how the PIN1 and PIN2
are set.
(See Reference 1.1.1(4).)
Remedy
PIN2 on the SF-CA card.