SMA SC 400HE - Manual (Page 83)

SMA Solar Technology AG 7 Troubleshooting
Operating Manual SC4-63HE-BE-BEN103280 83
210 Error text:
DC rev. current monitoring tripped Error type 4
Failure cause:
• Reverse currents detected in the PV array or DC connection polarity is reversed.
Corrective measures:
• Check PV modules for short circuit.
• Check module wiring and plant design.
• Make sure the DC terminals have the correct polarity.
• Contact the SMA Serviceline if the error occurs frequently.
215 Error text:
Heat sink fan fault Error type 2
Failure cause:
• Motor overload switch for the fan(s) cooling the power module has tripped.
• Overtemperature protection for the fan(s) cooling the power module has tripped.
• Ambient or cooling air temperatures too high.
Corrective measures:
• Switch the motor overload switch back on.
• Check the cooling fans for proper function.
• Clean soiled air inlet or heat sink.
Contact the SMA Serviceline if the error occurs frequently.
217 Error text:
DC CB tripped or door switch open Error type 2
Failure cause:
• The cabinet door was opened during operation.
• The DC disconnector was tripped due to an internal fault.
• The reverse current monitoring system on the DC side has tripped.
Corrective measures:
• Close the switch cabinet doors.
• Check the function of the door switches.
• Check the function and activation of the emergency shut-off relay.
• Check reverse current monitoring system.
• Contact the SMA Serviceline.
No. Description