Emotron AB 01-3991-11r2 Troubleshooting and maintenance 63
Keypad operation error description
Ta bl e 2 8
Display Error Cause Corrective Action
Key operation error
1. Press or keys when
[212]> 0 or in speed operation.
2. Attempt to modify parameters,
which can not be modified during
Run (see parameter list).
1. or keys can be
used to modify frequencies
only when [212]=0.
2. Modify parameters only in
stop mode.
Parameter setting
error
1.[344] is within ranges of
[345]±[347]or [346]±[347]
2. [344]<[341] or [344]=[341]
1. Modify [366] to [367]
2. 3-00>3-01
Modification of
parameter is not
allowed during
communication
1.Issue a control command dur-
ing communication disabled
2. Modify [261] to [265] during
communication.
1. Issue the enabling com-
mand before while commu-
nicating.
2. Set up parameters before
communicating.
Communication
error
1. Incorrect wiring.
2. Incorrect settings of communi-
cation parameters.
3. Check-sum error.
4. Incorrect communication veri-
fication.
1. Check the hardware and
wiring.
2. Check [261] to [265]
Incorrect parame-
ter settings
1. Attempt to modify [921]
2. Voltage and current detection
circuits are malfunctioning.
Reset VSD or contact techni-
cal support
Parameter set
error, Copy Unit
failure
1. Set [241]=1 or 2, can not con-
nect with Copy Unit.
2. Copy Unit failure.
3.The voltage and drive rating on
Copy Unit & the VSD are differ-
ent.
1.Modify [241]
2.Change Copy Unit
3.Copy from keypad to VSD
with only matched HP rat-
ings
Parameters do not
match
Copy the parameter to VSD to
verify the parameter not
matched.
1.Change Copy Unit
2.The voltage and HP rating
of Copy Unit is different than
the VSD.
Er1
Er2
Er5
Er6
Er7
EP1
EP2
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