Maintenance - SMA SUNNY TRIPOWER 60 Instructions D'installation

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SMA Solar Technology AG / SMA Solar Technology America LLC
Events Caused by the Self-Test
ID
Description
100
PV input current is negative. Sensor fault. Check the polarity of the PV system. If
264, 266 Measurement circuit test failed.
272
PV overvoltage protection device error.
Inverter will continue operation without
overvoltage protection.
273
Grid overvoltage protection device error.
Inverter will continue operation without
overvoltage protection.
274
Overvoltage protection device status
unknown.
350–
Residual-current monitoring unit (RCMU)
352
self-test failed.
353
Current sensor test failed.
356–
Transistor and relay test failed or inverter
361
relay has failed (contact assumed
welded).
366
Residual-current monitoring unit (RCMU)
self-test failed.
Table 4.5 Events caused by the self-test

4.2 Maintenance

Ensure that the heat sink at the rear of the inverter is not
covered.
Clean the contacts of the PV load-break switch once a year.
Clean by cycling the switch to on and off positions ten times.
The PV load-break switch is located at the bottom of the
inverter.
For correct operation and a long service life, ensure free air
circulation for the following areas:
• around the heat sink at the top and side of the inverter
where the air exhausts, and
• towards the fan at the inverter base.
To clear obstructions, clean using compressed air, a soft
cloth, or a brush.
The temperature of the heat sink can exceed 70°C.
Installation Guide
Measure
polarity is correct, call Service.
Restart the inverter. If the event persists,
call Service.
Replace PV overvoltage protection
device. See SPD replacement instructions
for details.
Replace PV overvoltage protection
device. See SPD replacement instructions
for details.
Restart the inverter. If the event persists,
call Service.
Contact Service.
Contact Service.
Contact Service.
Contact Service.
4  Service
DNO SMA
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STP60-10-IA-xx-11
PV
37

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