Publicidad
Idiomas disponibles
Idiomas disponibles
EN
7.2 Expansion possibilities
Up to 4 Steca PI inverters can be connected in parallel via a parallel switch box
when the system is extended or when additional consumer devices are connected.
The parallel switch box also allows communication with Steca Tarom or Steca
Power Tarom charge controllers. This allows the PV system to be controlled de-
pending on SOC (State of Charge).
Please refer to the separate PAx4 operating instructions for more information.
(www.stecasolar.com)
8
Fault diagnosis and troubleshooting
Error
Cause
LED blinks red
System error
slowly
LED blinks red
Overcurrent
quickly
LED illuminates
Overheating
red permanently
LED blinks red-green
Battery undervolt-
slowly
age or low charge
state
LED blinks red-green
Battery overvoltage
quickly
Noise
Fan switched on
Load reversal
Inverter switches off
Power consumption
when a consumer
too large
device is switched
on
Battery charge level
too low
Explanation:
Blinking slowly:
1 s on / 1 s off
Blinking red/green slowly: 1 s red / 1 s green
Blinking red/green quickly: 0.1 s red / 0.1 s green
746.489 | 12.41
Remedy
Inform your installation
company and have them
check the system
Switch off the consumer
devices
Switch off the consumer
devices
Charge the battery
System error
Wait until the temperature
conditions have normalized
Switch off the consumer
devices
Technical aspect, no error
Use an inverter with a higher
performance (parallel con-
nection)
Recharge the battery
25
Publicidad
