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10.2 Diagnosis & corrective steps
The following tables describe possible measures for remedying failures. If the measures
suggested do not correct the failure, please contact the SolarMax Service Centre im-
mediately.
10.2.1 General troubleshooting
Problem Cause Steps
The display remains blank DC insulation switch switched
off
Switch on the DC insulation
switch.
Irradiance too low Wait until irradiance is high
enough.
Strings disconnected. Check PV generator and cor-
rect disconnection.
Internal failure. Notify the SolarMax Service
Centre.
Graphics display flashes
periodically
Irradiance too low Wait until irradiance is high
enough.
10.2.2 Warnings
Status LED: flashes orange
Warning Cause Steps
Temperature limitation The feed-in power has been
temporarily reduced to
limit the temperature of the
inverter.
Clean the fan grids and
improve ventilation in the
operations room.
Failure fan
A fan is defective or dirty. Contact the SolarMax Service
Centre.
Failure temp. sensor A temperature sensor in the
inverter has ceased function-
ing.
Contact the SolarMax Service
Centre.
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