Diagnostics and Troubleshooting
Fault detection codes that are cleared as soon as their cause disappears
De te cte d Fault
Nam e Probable cause Rem edy
CFF
[Incorrect config.]
•
Option card changed or removed.
•
Control block replaced by a control block
configured on a drive w ith a different
rating.
•
The current configuration is inconsistent.
•
Check that there are no card errors.
•
In the event of the option card being changed/removed
deliberately, see the remarks below .
•
Check that there are no card errors.
•
In the event of the control block being changed
deliberately, see the remarks below .
•
Return to factory settings or retrieve the backup
configuration, if it is valid (see page 81).
CFI
[Invalid config.]
•
Invalid configuration.
The configuration loaded in the drive via
the bus or communication netw ork is
inconsistent.
•
Check the configuration loaded previously.
•
Load a compatible configuration.
CFI2
CSF
[Ch. Sw . fault]
•
Sw itch to not valid channels
.
•
Check the function parameters.
dLF
[Dynam ic load fault]
•
Abnormal load variation.
•
Check that the load is not blocked by an obstacle.
•
Removal of a run command causes a reset.
FbE
[FB fault]
•
Function blocks error.
•
See
[FB Fault]
(FbFt)
for more details.
HCF
[Cards pairing]
•
The
[CARDS PAIRING]
(PPI-)
function page 269 has been configured
and a drive card has been changed.
•
In the event of a card error, reinsert the original card.
•
Confirm the configuration by entering the
[Pairin g
pass w ord ]
(
PP
I
)
if
the
card
was
changed
deliberately.
PHF
[Input phase los s]
•
Drive incorrectly supplied or a fuse
blow n.
•
One phase missing.
•
3-phase ER24 used on a single-phase
supply mains.
•
Unbalanced load.
This protection only operates w ith the
on load.
•
Check the pow er connection and the fuses.
•
Use a 3-phase supply mains.
•
Disable the detected fault by
[Input phas e loss ]
(IPL)
=
[No]
(nO) page 86.
USF
[Unde rvoltage]
•
Supply mains too low .
•
Transient voltage dip.
•
Check the voltage and the parameters of
[UNDERV OLTA G E M GT]
(USb-), page 259.
Option card changed or removed
When an option card is rem oved or replaced by another, the drive locks in
[Incorrect config.]
(CFF) fault
m ode on power-up. If the card has been deliberately changed or rem oved, the detected fault can be cleared
by pres sing the ENT key twice, which caus es the factory settings to be res tored (s ee page 81) for the
param eter groups affected by the card. Thes e are as follows :
Card replaced by a card of the same type
•
Com m unication cards : only the param eters that are s pecific to com m unication cards
Control block changed
When a control block is replaced by a control block configured on a drive with a different rating, the drive locks
in
[Incorrect config.]
(CFF) fault mode on power-up. If the control block has been deliberately changed, the
detected fault can be cleared by press ing the ENT key twice, which
causes all the factory settings to be
restored.
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