Alarm and fault messages

4.2 Alarm and fault messages

Table 4-2 ISO fault

ISO fault

 

Causes

Damaged, worn-through cables (loose, buffeted by

 

 

wind)

 

 

Cables damaged by animals

 

 

Water in junction box

 

 

Damaged insulation and ingress of water to cable

 

 

duct

 

 

Defective power unit

 

 

Bending device defective

 

 

Defect in PV module (damaged)

 

 

High air humidity (causes high leakage currents)

 

Diagnostics

Check the sensitivity (limit values) of the insulation

 

 

monitor using a decade resistor

 

Measures

Repair the cabling

 

 

Empty and dry out the junction boxes and / or cable

 

 

ducts

 

 

Repair / replace the drive

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Siemens SINVERT 350 manual Causes, Diagnostics, Measures

350, SINVERT 350 specifications

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