Sma SB 1.5-1VL-40 Service Manual User Manual

ServiceManualforInstallersSUNNY BOY 1.5 / 2.5SB15-25-SG-en-10 | Version 1.0ENGLISH

4 Event MessagesEvent number Message, cause and corrective measures101 to 103Grid faultThe grid voltage or grid impedance at the connection point of t

Event number Message, cause and corrective measures301Grid faultThe ten-minute average value of the grid voltage is no longer within the per-missible

Event number Message, cause and corrective measures501Grid faultThe power frequency is not within the permissible range. The inverter has dis-connecte

Event number Message, cause and corrective measures801Waiting for grid voltage > Grid failure > Check AC circuit breakerThe AC cable is not corr

Event number Message, cause and corrective measures1302Waiting for grid voltage > Installation failure grid connection > Checkgrid and fusesL or

Event number Message, cause and corrective measures3501Insulation failure > Check generatorThe inverter has detected a ground fault in the PV array

Event number Message, cause and corrective measures6501 to 6509Self-diagnosis > OvertemperatureThe inverter has switched off due to excessive tempe

Event number Message, cause and corrective measures7329Condition test successfulThe testing of the update conditions was successful. The firmware upda

Event number Message, cause and corrective measures7347Incompatible fileThe configuration file is not suitable for this inverter.Corrective measures:•

Event number Message, cause and corrective measures7355Update WebUIThe inverter is updating the inverter user interface.7356Update of the WebUI not su

Table of Contents1 Information on this Document ... 41.1 Validity...

Event number Message, cause and corrective measures8708Timeout in communication for active power limitationCommunication to the system control absent.

Event number Message, cause and corrective measures9005Changing of grid parameters not possible > Ensure DC supply.This error can have the followin

Event number Message, cause and corrective measures10250[Interface]: package error rate [ok / high]The package error rate has changed. If the package

Event number Message, cause and corrective measures10254[Interface]: duplex mode goes to [Full / Half]The duplex mode (data transfer mode) has changed

Event number Message, cause and corrective measures10286WLAN connection lostThe inverter has lost WLAN connection to the selected network.Corrective m

5 Cleaning the InverterDamage to the inverter due to the use of cleaning agents• If the inverter is dirty, clean the enclosure, the enclosure lid, the

6 Checking the PV System for Ground FaultsIf the inverter displays the event numbers 3501, 3601 or 3701, there could be a ground fault. Theelectrical

Example: Location of the ground faultThe example shows a ground fault between the second and third PV module.3. If a definite ground fault cannot be m

Calculating the insulation resistanceThe expected total resistance of the PV system or of an individual string can be calculatedusing the following fo

7 Opening the InverterIf you have to open the inverter enclosure lid for repairs or replacement, proceed as described inthe following.Damage to the se

Legal ProvisionsThe information contained in these documents is property of SMA Solar Technology AG. Anypublication, whether in whole or in part, requ

8 Recommissioning the InverterRequirements:☐ The inverter must be correctly mounted.☐ The circuit breaker must be correctly rated.☐ All cables must be

9 Decommissioning the InverterTo decommission the inverter completely upon completion of its service life, proceed as describedin this Section.Risk of

10 Spare PartsYou will find the spare parts for your product in the following overview. If required, these can beordered from SMA Solar Technology AG

11 ContactIf you have technical problems with our products, please contact the SMAServiceLine. We needthe following information in order to provide

South Africa SMA Solar Technology SouthAfrica Pty Ltd.Centurion (Pretoria)08600SUNNY(0860078669)International:+27(12)6223000ΕλλάδαΚύπροςKıbrısБъл

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1 Information on this Document1.1 ValidityThis document is valid for the following device types from firmware version 2.0.1.R:• SB1.5-1VL-40 (Sunny Bo

2 Safety2.1 Disconnecting the Inverter from Voltage SourcesPrior to performing any work on the inverter, always disconnect it from all voltage sources

7. Ensure that no voltage is present at the DCinputs on the inverter using a suitable measuringdevice.8. Loosen the swivel nuts.9. Loosen the screws o

Danger to life due to high voltages of the PV arrayWhen exposed to sunlight, the PV array generates dangerous DC voltage which is present in theDC con

3 Calling Up the Inverter User Interface via DirectConnectionYou can call up the inverter user interface outside of a network via a direct connection

• Search for WLAN networks with your device.• Select the inverter SSID SMA[serial number].• Enter the inverter WLAN password. Within the first ten ope