Table 9-1. Inverter Faults - Advanced Energy AE 3TL 600 Series Installation And Operation Manual

Advanced Energy
Table 9‑1. Inverter faults
Display Screen Text
ACTIVATION LT
ACTIVATION LT 1
ACTIVATION LT 2
ACTIVATION LT 3
ACTIVATION LT 4
AFI FAULT
AFI WARNING
COMMUNICATION LT
CONTROLLER VOLTAGE 1
CONTROLLER VOLTAGE 2
9‑6 Troubleshooting and Solar Energy Technical Support
Operation Condition
Timeout. Intermediate circuit
is precharging.
Failure of a power branch in
the boost converter.
Drop of intermediate circuit
voltage below limit value
P0024.0 (power section).
Setpoint value for
intermediate circuit
symmetrization faulty.
Timeout. Intermediate circuit
symmetrization.
Fault current detection (ENS,
power section).
An insulating fault was
detected during the system's
automatic insulation test
(ENS, power section).
Communication problem
between control system and
power section.
Boost converter of the
positive intermediate circuit
could not regulate
sufficiently.
Boost converter of the
negative intermediate circuit
could not regulate
sufficiently.
Description
1. Acknowledge the
fault by pressing the
ESC button and de-
energizeing the
inverter.
2. Contact AE Solar
Energy Technical
Support if this fault
reoccurs.
Arc Fault Interrupt (AFI)
sensor failed.
1. Check the PCB
contact.
2. Contact AE Solar
Energy Technical
Support to replace.
Check the system's
insulation and repair.
1. Acknowledge the
fault by pressing the
ESC button and de-
energizeing the
inverter.
2. Contact AE Solar
Energy Technical
Support if the fault
occurs again.
Wait until the controller
has restabilized.
Wait until the controller
has restabilized.
570-1003552-05A