Troubleshooting
84
Please check the following list to ensure that the inverter is in the correct
operation state if the information panel does not display the fault light.
------Is the inverter located in a clean, dry and well-ventilated place?
------Is the DC input circuit breaker open?
------Is the specication and length of the cable adequate?
------Are the input and output connections and wiring in good condition?
------Is the conguration set correct for your particular installation?
Please contact our customer service for further assistance. And please be
prepared to describe the details of your system installation and provide the
inverter serial number and the registration number.
■ Additional remarks
Type Fault Diagnosis and solution
INSTALL
ALM_ID_EX-
TERN_FAN_FAIL
External fan failure
• Please check if the external fan is damaged or blocked..
INSTALL
ALM_ID_DSP_
UPDATE_FAIL
DSP upgrade failure
• Please contact after-sales for assistance with software upgrade.
INSTALL
ALM_ID_ARM_
UPDATE_FAIL
ARM upgrade failure
• Please contact after-sales for assistance with software upgrade.
INSTALL
ALM_ID_SMCU_
UPDATE_FAIL
SMCU upgrade failure
• Please contact after-sales for assistance with software upgrade.
INSTALL
ALM_ID_NO_ME-
TER
Meter loss
• Please check if the meter is connected or if the meter commu-
niction line works normally.
INSTALL ALM_ID_NO_CT
CT loss
• Please check if the CT is connected.
INSTALL BMS_LOST
Communication loss between inverter and battery management
system equipment.
• Please check the connection status between the BMS device
and the inverter.
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