SolaX Power X1-Hybrid-LV - Decommissioning; Dismantling the Inverter; Packaging; Storage and Transportation

Troubleshooting
82
Type Fault Diagnosis and solution
INV
DCBUS_INV_SS_
FAIL
DCBUS inverter soft start failed.
• Wait for a while to see if it returns to normal.
INV
DCBUS_BST_SS_
FAIL
DCBUS BST soft start failed.
• Wait for a while to see if it returns to normal.
INV
DCBUS_BUCKBST
_SS_FAIL
DCBUS BUCKBST soft start failed.
• Wait for a while to see if it returns to normal.
INV INV_PLL_FAIL
Inverter phase-locked failure
• Wait for a while to see if it returns to normal.
INV INV_RLY_FLT
Inverter relay fault
• Wait for a while to see if it returns to normal.
INV INV_RLY_ON_FAIL
Pull-in fault of inverter relay
• Wait for a while to see if it returns to normal.
INV
INV_EPS_RLY_
FAULT
EPS end relay failure
• Wait for a while to see if it returns to normal.
INV
INV_SS_ACVOLT_
FAIL
Soft start AC voltage failed.
• Wait for a while to see if it returns to normal.
INV INV_SW_OCP
Inverter software overcurrent
• Wait for a while to see if it returns to normal.
INV
INV_HW_WAVE_
OCP
Inverter hardware half-wave overcurrent
• Wait for a while to see if it returns to normal.
INV INV_HW_OCP
Inverter hardware overcurrent
• Wait for a while to see if it returns to normal.
INV
INV_GFCI_CT_
FAIL
CT fault
• Wait for a while to see if it returns to normal. Check whether
CT works properly.
INV INV_GFCI_PROT
GFCI fault
• Wait for a while to see if it returns to normal.
INV INV_FREQT_OCP
Inverter frequent overcurrent alarm
• Wait for a while to see if it returns to normal. Check whether
the inverter current works in the normal range.
COM INTER_FAN_FAIL
Internal fan failed.
• Check whether there is any foreign matter inside the fan.
COM
EXTERN_FAN_
FAIL
External fan failed.
• Check whether there is any foreign matter inside the fan.
OVER
TEMP
INV_HTSK_OTP
Heat sink temperature is too high.\
• Check whether the heat sink temperature is too high.