TECO E710-403-H3SF - Page 69

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LED display Corrective action
(flash)
External
baseblock
bb5
(flash)
External
baseblock
• Multi-function input
function set incorrectly.
• Check wiring
bb6
(flash)
External
baseblock
bb7
(flash)
External
baseblock
bb8
(flash)
External
baseblock
OS
(flash)
Motor over
speed
• Check ASR parameters
group 21.
• Check PG parameters
• Check overspeed
parameters 20-20/20-
12.
PGO
(flash)
PG open
circuit
• Check PG wiring.
• Check PG power-
supply.
• Make sure brake is
released.
DEV
(flash)
Speed
deviation
• Check load
• Make sure brake is
released.
• Check PG wiring.
LED display Corrective action
• Check PG parameters
20-23/20-24.
• Increase Acceleration /
deceleration time.
OL1
Motor overload
• Check V/f curve.
• Check motor rated
current
• Check and reduce
motor load, check and
operation duty cycle.
OL2
Inverter
overload
• Check V/f curve.
• Replace inverter with
larger rating.
• Check and reduce
motor load, check and
operation duty cycle.
CE
(flash)
communication
error
• Check connection
• Check host computer /
software.
CLA
over current
protection level
A
• Check load and duty
cycle operation.
CLB
over current
protection level
B
• Check load and duty
cycle operation.
Retry
(flash)
retry
• Warning disappears
after automatic reset.
ES
(flash)
External
emergency
stop
• Turn off run command,
and remove external
emergency stop
command.
EF1 ( flash )
External fault
(S1)
• Multi-function input
function set incorrectly.
• Check wiring