58 SMC9-11TLRP-IA-en-51 Installation Manual
10 Troubleshooting SMA Solar Technology AG
Measurement channels are measured values which are shown on the display. The measurement
channels can also be read out using a communication product.
10.2 Display Messages
10.2.1 Measurement Channels
Measurement channel Explanation
Balancer Indicates the operating mode of the inverter which is set under the
operating parameter PowerBalancer.
E-total Total amount of energy fed in
Earthfault Insulation resistance of the PV plant before connecting to the
electricity grid.
Error Designation of the current fault or the current error
Event-Cnt Number of events that have occurred
Fac Mains frequency
h-On Total operating hours
h-total Total number of operating hours in feed-in operation
Iac-Ist Line current
Ipv Direct current
Is Apparent current
Line conductor The line conductor to which the inverter is connected.
Netz-Ein Total number of grid connections
Pac AC power supplied
PF Displacement power factor cos φ. In partial load, the value displayed
may deviate from the set target value.
Qac Reactive power
Sac Apparent power
Serial number Inverter serial number
Status Indicates the current operating state
Upv-Soll PV voltage setpoint
Vac Mains voltage
Vpv PV input voltage
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