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CHAPTER 8: TROUBLESHOOTING
8.9 02A1 / 02A2 ERROR TROUBLESHOOTING
ERROR MESSAGE 02A1 / 02A2
1) CAUSE:
a. 02A1 - Over AC power input voltage.
b. 02A2 - Over / low DC bus voltage.
2) SOLUTION:
a. Use a multi - meter to check if the input power matches local power specifications at the MCB. Switch to a different outlet if necessary.
- If a known good outlet is not providing the correct power, replace the power components as needed.
b. If the power input is ok, replace the MCB.