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7. Trouble Shooting & Error List
Restart inverter, if the error still exist, contact us
The failures mainly divided into 5 categories, for each category, the behavior is different:
Check if PV input voltage is higher than 480V
UPS reserve current
Check if EPS and AC connection is in wrong terminal
Bus voltage high
Check PV input connection and if PV input voltage is
higher than 480V
EPS connection fault
Check PV connection
PV voltage high
The internal temperature of inverter is too high,
turn off the inverter for 10minutes, restart the inverter,
if the error still exist, contact us
PV short
Restart inverter, if the error still exist, contact us (Bus sample)
Temperature over range
Restart inverter, if the error still exist, contact us (DSP&M8)
Internal Fault
Check if you have choose the right battery brand and
communication cable is right, if the warning still exist,
contact us
Internal communication fault4
Check battery temperature sensor is right connected
and the battery temperature is not too high
Communication failure
with battery
Check battery temperature sensor is right connected
and the battery temperature is not too low
Battery temperature high
Inverter get battery fault info from battery BMS,
restart battery, if the warning still exist,
contact us or battery manufacture
Battery temperature low
Please contact Luxpower for firmware update
E000
Restart inverter, if the error still exist, contact us (DSP&M3)
Internal communication fault1
Restart inverter, if the error still exist, contact us (DSP&M3)
Battery failure
Multi master in parallel system
Bat On Mos Fail
Check CAN cable connection is connected to the right
COM port
Code
Description
CT Fail
Check parallel setting for master/Slave part,
there should be one master in the system
CAN communication error
in Parallel System
Check parallel setting for master/Slave part,
there should be one master in the system
No master in parallel system
AC inconsistent in parallel system
Trouble shooting
W002
E002
E003
W004
W008
W009
W012
Restart inverter, if the error still exist, contact us (DSP&M3)
Internal communication fault3
Software mismatch
Phase Error in three phase
parallel system
Check if the AC connection is right for three phase system,
there should one at least one inverter in each phase
E008
E009
E010
E011
E012
W001
Off grid output short circuit
Check if AC Connection is same for all inverters in
parallel system
Check if the load is short circuit, try to turn off the load
and restart inverter
E013
E015
E019
E016
E017
E018
E020
E021
E024
E025
E026
E031
W000
Relay fault
Internal communication fault2
Restart inverter, if the error still exist, contact us
Restart inverter, if the error still exist, contact us (DSP&M8)
Restart inverter, if the error still exist, contact us (DSP&M3)
Fan Stuck
Bat On Mos
Over temperature
Check if the fan is OK
Restart inverter, if the error still exist, contact us
The temperature is a little bit high inside inverter
W013
W018
W025
W026
W027
AC Frequency out of range
Battery voltage high
Battery voltage low
Battery open
Check AC frequency is in range
Check if battery voltage is in normal range
Check if battery voltage is in normal range, need to
charge the battery if battery voltage is low
Check if there is output from the battery and battery
connection with inverter is OK
W028
W029
W031
EPS Over load
EPS voltage high
EPS DCV high
Check if EPS load is too high
Restart inverter, if the error still exist, contact us
Restart inverter, if the error still exist, contact us
Code
Description
Trouble shooting
35
36
Restart inverter, if the error still exist, contact us
Over current internal
E022