Calling For Help; Service Call Checklist - Delta M42U Operation And Installation Manual

Error message and Trouble Shooting

6.4 Calling for Help

In order for Delta Hotline personnel to efficiently handle your service request, certain
information must be made availble to the service technician.
Prior to calling the Delta Service Hotline, the information listed below must be assembled:

6.4.1 Service Call Checklist

1. Installation Information
a. Location of the install
b. How many inverters
c. Date of Commissioning (if known)
2. Check the Product Label or use LCD display to view and record:
a. Model number
b. Serial number
c. Production date
3. State of the LCD:
a. Is the display active (powered)?
b. What is the state of the inverter?
c. What is the error message or code?
d. Can the Error Log be accessed?
i. If, so, please list code number, date and time for any log entry in 24 hr period prior
to appearance of error code on LCD screen
4. Status of LED warning lights.
a. What LED color(s) are lighted, if any?
b. Are the LEDs flashing on and off, or lighted continuously?
5. System configuration:
a. What is brand and model of photovoltaic modules?
b. What is number of PV modules per string
c. Number of strings in each array
d. What is maximum array voltage and current values
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.
Delta Technical Hotline can be reached at
1-877-440-5851 or 1-626-369-8021
92
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