Appendix 2 Alarm code list
Appendix 399
Code
Screen display
Cause
Troubleshooting
PG0
PG card
communication
error
PG card communication error
1. Check the wiring between PG card and
encoder
2. Check if the encoder is a
well-functioning unit
PG1
Encoder input error
The input mode of the encoder is
wrong
Check parameter 09-02(P.351)
PG2
PG card feedback
error
PG card feedback error
Please refer to the feedback control
parameter description 09-01~09-05
/P.350~P.354
PG3
Speed deviation
error in close loop
control
Excessive speed deviation during
close loop control
Please refer to the feedback control
parameter description 09-01~09-05
/P.350~P.354 .
PTC
Motor overheat
Motor overheat
1.reduce the load
2.set parameter 06-16(P.534)
BEB
Material broke
Broken wire
Check if the feedback wire is broken.
DV1
Missing Z pulse
signal
1.PG card wrong wiring or wire
broken
2.Encoder damaged
Fix the PG card wiring, make sure it is
grounded and protected
DV2
Noise in Z pulse
signal
1.PG card wrong wiring or noise
interfere
2.Encoder or PG card damaged
1.Keep wires away from noise
2. Fix the PG card wiring, make sure it is
grounded and protected
DV3
Reverse rotation
detected
1.Z pulse signal error
2.The value of 09-02 (P.351)is set
incorrectly
3. PG card wrong wiring or noise
interfere
1.Auto-tuning Z pulse signal
2.Set parameter 09-02(P.351) correctly
3. Fix the PG card wiring, make sure it is
grounded and protected
DV4
Reverse rotation
prevention
detected
rAE
relay error
Relay on the main board
malfunction
Send the unit back to the dealer or the
manufacturer to repair
GF
Output short
Shortage between output and
ground
Check the motor wiring
SAF
Safety circuit
abnormal
Safety circuit break
1.Check if the jumper between S1-SC is
attached firmly
2.If the safety stop feature is used ,check
the relay and wiring
LF
Output error
Three phase output error
Check the UVW terminal on the inverter
