Installation and operation manual
IM-S2-UX-EN-V1.4
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9.
Disposal
To comply with European Directive 2002/96/EC on waste Electrical and Electronic Equipment and its
implementation as national law, electrical equipment that has reached the end of its life must be collected
separately and returned to an approved recycling facility. Ignoring this EU Directive may have severe effects on
the environment and your health.
10.
Troubleshooting
10.1
General
Display
message
Action
Blank screen
●
Check that all switches are in the ON position (including internal DC switch if present)
●
Check AC and DC power supply. If DC power is greater than 10W and string voltage
greater than 200V the inverter should start.
●
If switches are on and AC and DC power supplies is available please contact installer.
10.2
Internal component fault
Error type
Display
message
Error
code
Error
description
Action
Over BUS DC voltage
OV-BUS
1021
Internal fault
1.
Restart inverter (up to three times).
2.
If error persists contact installer.
Under BUS DC voltage
UN_BUS
1012
Internal fault
BUS balance fault
UNB2_BUS
1024
Internal fault
System initial fault
INI-PRO
1031
Internal fault
Relay fault
Relay_PRO
1035
Internal fault
DSP_B fault
DSP_B_PRO
1036
Internal fault
DC injection
DCInj_PRO
1037
Internal fault
12V under voltage fault
12Power_PRO 1038
Internal fault
