135
Fault0110
(Bus imbalance)
1. Raise limit of IDCmax (for example, 400mA) to allow
inverter more room to adjust in transient condition to
cope with imbalance of impedance and voltage
between grid phases
2. If after adjustment, alarm still occurs, replace inverter
Fault0130
(Bus over total voltage)
1. Restart inverter by turning both AC and DC switches
OFF. Wait for 1 minute for all energy to discharge
between OFF and turn both switches ON
2. If inverter cannot clear fault, replace inverter
Fault0150
(Open-loop self-check
failure)
1. Restart inverter by turning both AC and DC switches
OFF. Wait for 1 minute for all energy to discharge and
turn both switches ON
2. If inverter cannot clear fault, replace inverter
WARNING:
All the installation and wiring connections should be performed by
qualified technical personnel. Disconnect the inverter from PV
modules and the AC supply before undertaking maintenance.
Do not operate or maintain the inverter until at least 5 minutes after
disconnecting all sources of DC and AC.
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