TECO A510s Series - Page 52

51
LED display Possible solutions
PGO
PG
Open circuit
 Check PG wiring.
 Check PG power-supply.
 Make sure brake is
released.
DEV
Speed
deviation
 Check load
 Make sure brake is
released.
 Check PG wiring.
 Check PG parameters
20-23/20-24.
 Increase Acceleration /
deceleration time.
CE
communication
error
 Check connection
 Check host computer /
software.
FB
PID feedback
loss
 Check feedback wiring
 Replace feedback
sensor.
STO
Safety switch
 Check F1 and F2
connection. (For standard
H & C type)
 Check SF1 / SF2 and SG
connection (For
enhanced E & G type)
 Check if 08-30 =0 and
03-00~03-07=58
STO2
Safety switch
SS1
Digital input
Stop command
 Check if 08-30 =0 and
03-00~03-07=58
EF0
External fault 0
 Reset Modbus
communication 0x2501
bit 2= "1"
EF1
External fault
(S1)
 Multi-function input
function set incorrectly.
 Check wiring
EF2
External fault
(S2)
LED display Possible solutions
EF3
External fault
(S3)
EF4
External fault
(S4)
EF5
External fault
(S5)
EF6
External fault
(S6)
EF7
External fault
(S7)
EF8
External fault
(S8)
CF07
Motor control
fault
 Perform rotational or
stationary auto-tune
 Increase minimum output
frequency (01-08)
CF08
Motor control
fault

Increase the value of 22-
10 and 22-23 properly.
 Re auto-tune (22-21)
 Check if the load is too
heavy to raise torque
output limit.
FU
fuse open
 Check IGBTs
 Check for short circuit at
inverter output.
 Replace inverter.
CF00
Operator
Communication
Error
 Disconnect the operator
and then reconnect.
 Replace the control board