12. Diagnostics and Troubleshooting
Operation and Installation Manual for SOL10.0-1TR3-E4 and SOL11.0-1TR3-E4
76
12.2.2 Procedure for Internal Events
1. Switch to menu
411 Current Overview
.
Failure 202
Day: ____Wh
Now: ____W
411 Current overview
2. In the
411 Current Overview
menu, press the
button.
→ This displays the
620 Internal Log
menu.
The message is displayed in the
411 Current
Overview
menu as "Warning ###" or "Failure
###".
202 222
16.04.2012 17:25:36
620 Internal log
3. You can view the whole list by pressing the
buttons.
If multiple failures occur, multiple failure numbers
are displayed.
4. Contact Delta Solar Support and provide the
displayed failure numbers.
nOTE
: For internal events, always contact Delta
Solar Support
before
attempting to resolve the
failure.
12.3 Overview of Failure Messages/Troubleshooting
LEDs
Display message
Message description
Fault correction
Warning ###
Internal failure ("Warning" + three-digit number)
► Please contact Delta Support.
Failure ###
Internal failure ("Failure" + three-digit number)
► Please contact Delta Support.
L1 Voltage failure
AC overvoltage or undervoltage on phase L.
► Check the grid voltage shown on the display (
412 Current Data AC
menu).
► If no voltage is present, check the circuit breaker.
L1 Frequency error
AC high frequency or low frequency on phase L.
► Check the grid frequency shown on the display (
412 Current Data AC
menu).
► If no voltage is present, check the automatic circuit breaker.
DC inj. Failure
DC feed-in failure.
► Restart the solar power inverter. Contain your maintenance technician if
the failure persists.
L1 Islanding
Frequency shift failure on phase L.
► Ask your electricity supply company about the actual state of the grid.
► Check the installation.
► Restart the solar power inverter. Contain your maintenance technician if
the failure persists.
PV Power too low
The solar power is too low.
Insuffi cient solar irradiation (dawn/dusk).
► Check the PV cell voltage shown on the display (
416 Current Data PV
menu).
Auto test failure
Failure during Italian autotest. For Italy only.
► Repeat the autotest.