SMA METEO STATION Installation - Manual (Page 23)

SMA America, LLC 7 Troubleshooting
Installation Manual MeteoStation-eng-IA-IUS122210 23
7 Troubleshooting
7.1 Errors in the SMA Meteo Station
Problem Cause and corrective measures
The Meteo Station is not
detected. The RS485 communication bus is not terminated.
Corrective measures:
• Terminate the RS485 communication bus at the connecting
terminal plate (for information on termination, see the
technical description "RS485 Cabling Plan").
The Meteo Station cannot be
queried or does not respond to
queries. The RS485 communication bus is not terminated.
Corrective measures:
• Terminate the RS485 communication bus at the connecting
terminal plate (for information on termination, see the
technical description "RS485 Cabling Plan").
Supply voltage is interrupted.
Corrective measures:
• Ensure that the Meteo Station is supplied with voltage.
Cable shields are not properly positioned.
Corrective measures:
• Ensure that the cable shields are properly positioned and
connected to the shield connection terminal.
The Meteo Station reports error
value 1 "ErrSensAmbTemp" or
error value 6
"WrnSensAmbTemp". The sensor for measuring ambient temperature is faulty.
Corrective measures:
• Contact the SMA Service Line
(see Section 11 "Contact", page 32).
The Meteo Station reports error
value 2 "ErrSensModTemp" or
error value 7
"WrnSensModTemp", or
unrealistic values are displayed
for the module temperature
sensor. The module temperature sensor has no contact with the
PV module.
Corrective measures:
• Ensure that there is contact between the module
temperature sensor and the PV module.
The module temperature sensor is defective.
Corrective measures:
• Contact the SMA Service Line
(see Section 11 "Contact", page 32).