SUNWAY M XS 7500TL
INSTALLATION AND
PROGRAMMING INSTRUCTIONS
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148
A071
Description
Hardware malfunction of the control board.
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.
A074
Description
Overload error. The power delivered by the inverter has exceeded
the allowable range.
Event
The output current has exceeded the max continuous output current
for an exceedingly long time.
Possible
Causes
Sudden grid variations.
Output short circuit or earth short-circuit.
Solutions
Reset the alarm (4.3.6.2).
Check the current delivered by the inverter (
M006
) during normal
operation.
If the alarm persists, contact the Customer Service of Elettronica
Santerno SpA.
A081
Description
Hardware failure in communications between the touchscreen
display and the control board.
Event
Communications failure with the touchscreen display.
Possible
Causes
Disconnection of the touchscreen display internal to the product.
One of the two connectors of the touchscreen display is faulty.
Touchscreen display failure.
Solutions
Reset the alarm (4.3.6.2).
If the alarm persists, contact the Customer Service of Elettronica
Santerno SpA.
A087
Description
Power supply hardware failure (control board malfunction)
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.
A088
Description
ADC calibration error (control board malfunction)
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.