Steca Solar charge controller 12 V, 24 V 30 A Steca PR 3030 104517 User Manual

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708.19 | 08.44

E)  Start the auto-test with the left button. The test expires quickly and 

automatically.

F)  If there is no error, this window is displayed 

shortly (1. sec.) Afterwards, all LCD segments 

fade in and out for 1 second. Then the auto-test 

window reappears in the display.

G)  If there is an error, an error code is displayed. 

Note the code – your Steca distributor can help 

you find the error with this information. After 

30 seconds the display returns to the auto-test 

window. During this the display flashes. 

H)  In the flashing auto-test window, press the left button again to repeat 

the test or the right button to end the test.

Each regulator has a serial number that can be que-

ried using this window. Press the right button and 

the SN display begins to flash. Now, press the left 

button to display the number. The digits are display-

ed successively: - - - 1  3 4 5 6 7 8 - - - .
Press the right button to stop or continue the display.
Note the order of the digits for the complete serial number.

hazardous to the user and the system.
If the regulator detects errors or unauthorized operating states, it flashes 

error codes on the display. Error codes can generally be differentiated, 

whether there is a temporary malfunction, e.g. regulator overload or a more 

serious system error that can be remedied by appropriate external measures. 
Since not all errors can be simultaneously displayed, the error with the 

highest error number (priority) is displayed. If several errors are present, the 

second error code is displayed after remedying the more significant error.
The following meaning is assigned to the different error codes:

Display

Meaning

Cause / Remedy

Communication error 

with the internal 

memory (EEPROM).

Disconnect consumer, solar  

module and battery. Reinstall 

the device. If the error 

reoccurs, please contact your 

specialized dealer.

Communication error 

on the  external bus 

(6-pole edge    con-

nector).

Check the 6-pole plug-in 

connection on the edge 

connector, power supply and 

function of the external ex-

tension. If the error reoccurs, 

please contact your specialized 

dealer.

Short-circuit at the 

external temperature 

sensor.

Check the contact of the -

pole edge connector, remove 

short-circuit. Check sensor.