Expansion Possibilities; Fault Diagnosis And Troubleshooting; Commercial And Legal Guarantee Conditions - Steca Solarix PI 500-12 Instructions De Montage Et De Service

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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.
Please refer to the separate PA Link1 operating instructions for more informa-
tion. (www.stecasolar.com)
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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
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Commercial and legal guarantee conditions

You can find the warranty conditions in Internet at:
www.steca.com/pv-off-grid/warranties
754.923 | Z03 | 16.30
Remedy
X Inform your installation
company and have them
check the system
X Switch off the consumer
devices
Switch off the consumer
X
devices
X Charge the battery
X System error
X Wait until the temperature
conditions have normalized
X Switch off the consumer
devices
Technical aspect, no error
X
X Use an inverter with a higher
performance (parallel con-
nection)
X Recharge the battery
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