Making a service call
When calling ABB technical support at 1-877-261-1374 to make a service call, the following information is
required:
1. Model number*
2. Serial number*
3. Week of production*
4. State of the LCD:
a. Status of warning lights (LEDs): what are the colors of the lights and are they steady or ashing?
b. What is the error message or code?
5. System conguration:
a. Brand and model of photovoltaic modules
b. Maximum array voltage and current values
c. Number of strings in each array
d. Number of photovoltaic modules for each string
6. System condition:
a. Can the fault or error be reproduced? If so, how?
b. Is the fault cyclical in nature? If so, how often?
c. Was the fault apparent at the time of installation? If so, has it worsened?
d. Describe the atmospheric conditions at the time the fault/error appears or appeared.
*Can be found on the inverter’s INFORMATION menu or on the product label.
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