Chapter 5 Trouble shooting and maintenance
5-5
5.1.3 Keypad operation error description
Display Error
Cause
Corrective
Action
Key operation
error
1. Attempt to Press
▲
or
▼
keys when F05> 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 F05=0.
2. Modify parameters only in
stop mode.
Parameter
setting error
1.
F07 is within ranges of
C27±C29or C28±C29
2.
F07<F08 or F07=F08
1. Modify F32~F33
2. 3-00>3-01
Modification of
parameter is not
allowed during
communication
1. Issue a control command
during communication
disabled
2. Modify C49~C53 during
communication.
3. Change C47 by remote
keypad.
1. Issue the enabling
command before while
communicating.
2. Set up parameters before
communicating.
3. Change C47 by inverter
keypad.
Communication
error
1. Incorrect wiring.
2. Incorrect settings of
communication parameters.
3. Check-sum error.
4. Incorrect communication
verification.
1. Check the hardware and
wiring.
2. Check C49~C53
Incorrect
parameter
settings
1. Attempt to modify F00
2. Voltage and current
detection circuits are
malfunctioning.
Reset inverter or contact
technical support
Parameter set
error, Copy Unit
failure
1. Set C48=1.2, can not
connect with Copy Unit.
2. Copy Unit failure.
3.
The voltage and drive
rating on Copy Unit & the
inverter are different.
1.Modify C48
2.
Change Copy Unit
3.
Copy from keypad to
inverter with only matched
HP ratings
Parameters do
not match
Copy the parameter to
inverter to verify the
parameter not matched.
1.
Change Copy Unit
2.
The voltage and HP
rating of Copy Unit is
different than the
inverter.
Er1
Er5
Er2
EP1
EP2
Er6
Er7