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ambient temperature is less than the temperature
upper limit of WKS I inverter
ID82 Over frequency AC frequency is too high
ID83
Shedding
Remote power derate
WKS I inverter receives a remote signal to
decrease its power.
ID84 Long dist OFF
Switch OFF WKS series
inverter remotely
WKS I inverter receives a remote signal to switch
OFF.
ID85
SOC <= 1 -DOD
or
Battery voltage is low
For example, if you set DOD to 30%, when SOC is
less than 70%, you will see ID85 in the event list.
WKS I inverter won’t discharge the battery when
ID85 is present.
Or this is an indication of low battery voltage. WKS
I inverter won’t discharge battery in this case to
ensure long battery cycle life.
ID94
Software version is
not consistent
Contact WATTUNEED technical support to
upgrade software.
ID95 CommEEPROMFault
The Communication board
EEPROM is faulty
ID95-ID96 are internal faults of WKS I inverter,
switch OFF WKS I inverter, wait for 5 minutes,
then switch ON WKS I inverter. Check whether
the problem is solved.
If no, please contact WATTUNEED
technical support.
ID96 RTCFault RTC clock chip is fault
ID98 SDfault The SD card is fault
Normally ID98 is caused by loose SD card holder.
Click & take out SD card, press SD card holder then
insert SD card back can normally solve this
problem.
ID100 BatOCD
discharging protect
ID100-ID103 is battery fault. If this fault occurs
occasionally, wait a few minutes to see whether
the problem is solved.
If this fault occurs frequently, please contact
WATTUNEED technical support.
ID101 BatSCD
Discharging short circuit
protect
Battery high voltage protect
ID103 BatUV Battery low voltage protect
ID104 BatOTD
protect while discharging
Make sure battery is in a well-ventilated place.
Try to decrease the max discharge (A) or/and max
charge (A) to see if the problem is solved.
ID105 BatOTC
protect while charging
Battery low temperature Try to increase the ambient temperature of the
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