SolarMax 2000S - Troubleshooting Via the Graphics Display

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05/08
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5.2 Troubleshooting via the graphics display
Fault: No graphics display
Possible cause Remedy
DC insulation switch switched off Switch on the DC insulation switch
Irradiance too low Wait until irradiance is high enough
Internal fault Notify SolarMax hotline
Strings interrupted Rectify interruption
Malfunction: Graphics display flashes periodically, or
Status message: Irradiance too low
Possible cause Remedy
Irradiance too low Wait until irradiance is high enough
Malfunction: Overtemperature
Possible cause Remedy
Ambient temperature too high Ensure air can circulate at the side of
the cooling fans
Insufficient air circulation
Fan blocked Clean / replace fan
(see Section 5.3)
Malfunction: Iac asymmetric
Possible cause Remedy
DC component of the mains current
is too large
First switch off AC side and then DC
side for 20 seconds, then switch on
again
For recurring faults contact the
SolarMax hotline
Malfunction: Ierr too high
Possible cause Remedy
Fault current too large as level-change
or absolute value
Check solar generator and DC cabling
Earth leakage or insulation fault on
the DC side
Equipotential bonding between
inverter and module frame
Malfunction: Insulation fault
Possible cause Remedy
Earth leakage or insulation fault on
the DC side
Check solar generator and DC cabling
Phase and neutral conductor inter-
changed
Swap phase and neutral conductor in
the AC coupling connector
Malfunction: No mains, frequency too high
or too low
Possible cause Remedy
No grid or mains voltage interruption Check AC connection
Mains frequency outside the tolerance Wait until the mains frequency is
within tolerance
Malfunction: Mains fault
Possible cause Remedy
Stand-alone operation was detected For recurring faults contact the
SolarMax hotline