Teze TW-EOR48 - Fault Codes and Meanings; Fault Code Table; Battery-Related Faults; Inverter and PV Related Faults

Add: Building A, Xinlida Industrial Park, Junzibu Village,Guanlan Street, Longhua District ,Shenzhen,
Guangdong
TEL :0755-23225527 FAX:0755-23225537
41
8. Fault and Remedy
8.1 Fault code
Fault Code
Meaning
Does it Affect the
outputs
Instructions
01
BatVoltLow
Yes
Battery under-voltage alarm
02
BatOverCurrSw
Yes
Battery discharge over-
current, software protection
03
BatOpen
Yes
Battery disconnected alarm
04
BatLowEod
Yes
Battery under-voltage stop
discharging alarm
05
BatOverCurrHw
Yes
Battery over-current hardware
protection
06
BatOverVolt
Yes
Battery over-voltage
protection
07
BusOverVoltHw
Yes
Busbar over-voltage hardware
protection
08
BusOverVoltSw
Yes
Busbar over-voltage software
protection
09
PvVoltHigh
Yes
PV input over-voltage
protection
10
PvBoostOCSw
No
Boost circuit over-current
software protection
11
PvBoostOCHw
No
Boost circuit over-current
hardware protection
12
SpiCommErr
Yes
Master-slave chip SPI
communication failure
13
OverloadBypass
Yes
Bypass overload protection
14
OverloadInverter
Yes
Inverter overload protection
15
AcOverCurrHw
Yes
Inverter over-current
hardware protection
16
AuxDSpReqOffPWM
Yes
Slave chip request switch off
failure
17
InvShort
Yes
Inverter short-circuit
protection
18
Bussoftfailed
Yes
Inverter busbar soft start
failed
19
OverTemperMppt
No
MPPT heat sink over-
temperature protection