11 troubleshooting/problem solving, 1 list of fault displays, Troubleshooting/problem solving – SMA SI 3324 User Manual

Page 55: List of fault displays

SMA

Technologie AG

Troubleshooting/Problem Solving

User Manual

SI3324/4248-14:FE2406

Page 55

11 Troubleshooting/Problem Solving

11.1 List of Fault Displays

The meaning of fault messages displayed by the Sunny Island 3324/4248 are
explained in the following table:

Fault display

Cause

Fault correction

CBT-Open

The battery temperature sensor is
missing or not correctly connected.

Please contact your installer.

The battery temperature sensor cable is
defective.

Please contact your installer.

CBT-Short

Short-circuit in the battery temperature
sensor.

Please contact your installer.

The battery temperature sensor cable is
defective.

Please contact your installer.

ChargeLow

This fault occurs when the battery state
remains in the critical area for an
extended period of time ("Critical"), i.e.
the batteries have not been charged in
time (see section 6.3 "Deep Discharge
Protection / Battery State" (page 39)).
Possible causes:

The Sunny Island 3324/4248 can be
started to charge the batteries after the
fault has been confirmed.
Requirements:
The system has enough energy available
for charging the batteries from a
generator or the public grid.

The generator does not start when
requested by the Sunny Island 3324/
4248.

Check the generator fuses.

Check the fuel supply (diesel).

Energy consumption is higher than that
provided by the power generator (e.g.
PV generator).

Switch off the energy consumers/loads.

CHS-Open

Device fault