INSTALLATION AND
PROGRAMMING INSTRUCTIONS
SUNWAY M XS 7500TL
115/
148
A090
Description
Interface protection autotest error
Event
The interface protection autotest failed.
Possible
Causes
Grid disturbance during autotest procedure.
Failure in the grid frequency and voltage measuring circuits.
Solutions
Repeat autotest.
If the alarm persists, contact the Customer Service of Elettronica
Santerno SpA.
A091
Description
Interface protection autotest timeout
Event
The interface protection autotest procedure has not been completed.
Possible
Causes
Grid disturbance during autotest procedure.
Failure in the grid frequency and voltage measuring circuits.
Solutions
Repeat autotest.
If the alarm persists, contact the Customer Service of Elettronica
Santerno SpA.
A092
Description
Incorrect software version
Event
Multiple causes are possible: the autodiagnostics function of the
control board constantly checks its correct operation.
Possible
Causes
Strong electromagnetic disturbance.
Possible failure of the microcontroller or other circuits in the control
board.
Solutions
Reset the alarm (4.3.6.2).
If the alarm persists, contact the Customer Service of Elettronica
Santerno SpA.
A094
Description
The temperature detected on the IGBT heatsink is exceedingly high
Event
Power heatsink overheated.
Possible
Causes
The environment where the inverter is installed is subject to
excessively high temperatures.
The inverter has been installed in direct sunlight.
The inverter cooling fans are faulty.
Solutions
Check if warnings pertaining to the fan faults are displayed (4.3.7).
Check the pattern of the heatsink temperature (
M059)
.
Reset the alarm (4.3.6.2).
If the alarm persists, contact the Customer Service of Elettronica
Santerno SpA.