YASKAWA Varispeed-616G3

Table 6

Fault Display and Details (Cont'd)
FAULT
DISPLAY
CAUTION
If
"FU" fault occurs, check the output transistors first, before replac-
ing the DC bus fuse .
Indication Fault Dispaly Description Corrective Action
Communication inverter Check communication cable
bus
card (option)
I
Stop mode selection possible between communication interface
co mmunication error card (SI-B) and master controller .
Communication between G3 and " Insert operator connector plug
PFu
rlrl Operator communication
error
operator is not established 5 again .
~
u
seconds after the power supply is " Replace control board .
turned
ON . " Check
wiring of control board .
Communication error occurs for 2
seconds after communication
"
Insert operator connector plug
~ PF u ^ ! Operator commuincation error between G3 and operator is once
again .
established after the power supply
.
Replace control board .
is to -ned ON .
`PFu^c~_
Co nt rol cir cu it faul t
_ _
~PFu3
_ _
_- NV-RAM (S-RAM) fault
- Inverter fault *Replace control PC board .
[PF O
N
NV-RAM (BCC, Access Code) fault
'PF~S
AID converter fault in
CPU
[WOE,
Optional connection fault
-
" Check and secure the option card
connector .
Fault of AID converter in
PF2 u^
analog speed reference card
(opti o n)
Self-analysis fault of CP-213
PF2 .
commuincation interface card
-------- -
(opti o n)
Model code fault of CP-213
Option card fault Replace option card .
CPF22
commuincation
interface card
(op tion)
Mutual analysis fault of CP-213
PF23 communication interface card
(option)
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