Technical Data; Fault Diagnosis And Troubleshooting - Steca PAx4 Instructions De Montage Et De Service

EN
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Technical data

Parallel switch box
Operating temperature –20 °C ... +45 °C, continuous load
0 % ... 95 % rel. humidity
Degree of protection IP 20, for use in dry environments
Dimensions (W x H x D) 206 x 117 x 64 mm
Weight 0.8 kg
Connections Max. 4 inverters Steca Solarix PI 550(-L60) / PI 600(-
L60) / PI 1100(-L60) / PI 1200(-L60)
(4 data inputs (RJ45),
4 inputs 230 V / 115 V
2 outputs 230 V / 115 V
2 Tarom connections
The voltage corresponds to the output voltage of the inverters.
1)
8

Fault diagnosis and troubleshooting

Fault diagnosis and troubleshooting of the individual inverter is described in the
Steca Solarix PI operating instructions.
Fault Cause
LED on slave does not
light up
• Data cable not
• Data cable de-
• Slave defective
LED on master does not • Master defective
light up
The system does not • Parallel switch
work, although the
master and slave(s) are
in working order
LEDs on inverters signal • Wiring fault
a malfunction
725.259 | Z04 | 2013-09-23
)
1)
, each 40 A / 4000 W
1)
Remedy
Attention
Danger of damage to the
inverter.
Disconnect the battery and
X
the power cable from the
slave before working on the
data cable. Then reconnect
battery cable.
Connect the power cable only
X
after completion of all work.
inserted properly
Ensure that the data cable is
X
inserted properly.
fective
If LED does not light up,
X
replace the data cable.
If LED does not light up,
X
replace the slave.
Replace master,
X
e.g. rewire system with a
previous slave as master
Replace parallel switch box
X
box defective
Check the wiring
X
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