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Axpert 3KVA-110V - 09 Fault Diagnosis; 56 Fault Diagnosis; Post-Repair Test Steps

Axpert 3KVA-110V
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SERVICE MANUAL
3KVA-110V/120V
8
V201608A
How to solve
Replace the main board.
2.2.2. 09 fault
Description
Bus soft start fails.
Possible reason
DC-DC module was damaged.
How to check
Check the main board by following “3.1~3.4”;
How to solve
Repair the main board or replace it directly.
2.2.3. 56 fault
Description
Battery couldn’t be detected.
Possible reason
Wire connection or fuse was burnt.
How to check
1. Check the wire connection, the priority of the battery cable;
2. Check the main board by following “3.1.
How to solve
Repair the main board or replace it directly.
2.4 Test step
After replacing all defected components, testing steps can be used to confirm the repair result and the
reliability of the Inverter.
Set up the testing system as below:

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