SMA SI 3.0-11 - Manual (Page 59)

SMA Solar Technology AG 9 Troubleshooting
Operating Manual SI30M-44M-60H-80H-BE-en-30 59
W 722 BatTmpSnsShort 1 Short circuit of the battery
temperature sensor
•
Ensure that the battery temperature
sensor is correctly connected
(see the Sunny Island inverter
installation manual).
• Contact the SMA Service Line.
W 723 BatTmpSnsOpn 1 Cable break in battery temperature
sensor
W 724 AutoStrCntSlv1 1 Maximum number of autostarts for
slave 1 has been reached.
•
Read off the pending and logged
warnings and errors and eliminate
the causes.
• Ensure that the parameter 250.01
AutoStr is set to 3.
W 725 AutoStrCntSlv2 1 Maximum number of autostarts for
slave 2 has been reached.
F 731 ClstConfig 4 Configuration of the cluster is
incorrect.
•
Change the addresses of the
slaves in the cluster
(see Section 9.7, page 74)
F 733 MstrLoss 4 Communication to the master is
interrupted.
•
Ensure that undamaged CAT5e
cables are used for communication
and that the cables are plugged in
correctly.
•
Ensure that the communication bus
is equipped with a terminator at
both ends.
W 734 Slv1Loss 1 Communication from the master to
slave 1 is interrupted.
W 735 Slv2Loss 1 Communication from the master to
slave 2 is interrupted.
F 737 BootUpdateFail 4 Updating of the boot loader failed. • Contact the SMA Service Line.
W 738 GnSynLoss 1 Synchronization with the generator
not successful.
• Ensure that the generator can be
started. The fuel level may be too
low.
•
Ensure that a constant and stable
voltage is present at connection
AC2.
•
Ensure that the thresholds for the
generator voltage are correctly
configured.
F 739 SPICom 3 Internal device communication of the
master is disturbed.
• Contact the SMA Service Line.
W 740 SPIComSlv1 1 Internal device communication of
slave 1 is disturbed.
W 741 SPIComSlv2 1 Internal device communication of
slave 2 is disturbed.
No. Name Level Cause Corrective measures