Fault codes › Fronius › Fronius Symo UL (10.0-3 to 24.0-3 208-240/480)

Fronius Symo 502

Code

502

Shown as

Insulation fault on solar modules

Vendor severity

Class 5

ID

fc:fronius-symo-502

IRI

https://solarlattice.org/kb/fc/fronius-symo-502

Status

active

Also known as

502, Fronius 502, Insulation fault on solar modules

Category

Inverters

Decoded

Reports low insulation resistance; may indicate loss of electrical insulation; look at PV array; do: contact system installer.

What can be behind Low insulation resistance

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

• fronius-symo-ul-emanual-status-codes — Fronius drafted · lead
  • tbl=16.r1 h=69d75eb54160
  • sec=h23 h=c4a64ba354f6

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

ABB / FIMER

ABB / FIMER PVS-166-175-TL E025, ABB / FIMER PVS-166-175-TL E037, ABB / FIMER PVS-60-TL E025, ABB / FIMER PVS-60-TL E037, ABB / FIMER TRIO-20.0-27.6-TL E025, ABB / FIMER TRIO-20.0-27.6-TL E037, ABB / FIMER UNO-DM-3.3-5.0-PLUS E025, ABB / FIMER UNO-DM-6.0-PLUS E025

CPS

CPS SCA25KTL-208 IsolationErr, CPS SCA25KTL-480 IsolationErr, CPS SCA36KTL IsolationErr, CPS SCA50-100K-T Protect0190, CPS SCA50-60KTL IsolationErr, CPS SCH100-125KTL IsolationErr, CPS SCH125KTL-AIO IsolationErr, CPS SCH200-250K-T IsolationErr, CPS SCH275KTL IsolationErr, CPS SCH350KTL IsolationErr

Canadian Solar

Canadian Solar 125K-T600GL02 PV ISO-PRO 01/02, Canadian Solar 125K-T600GL02 PV-MID-ISO, Canadian Solar 185-255K PV ISO-PRO 01/02, Canadian Solar 23-28KTL-CT IsolationErr, Canadian Solar 25-40K-T480GL01 PV ISO-PRO 01/02, Canadian Solar 50-66K-T480GL01 PV ISO-PRO 01/02, Canadian Solar 75-100K-T480GL02 PV ISO-PRO 01/02

Enphase

Enphase IQ7 DC Resistance Low - Power Off, Enphase IQ8 DC Resistance Low - Power Off, Enphase IQ9N DC Resistance Low - Power Off, Enphase M215-M250 DC Resistance Low - Power Off

Fronius

Fronius Galvo 502, Fronius Primo 447, Fronius Primo 502, Fronius Symo 447

Huawei

Huawei SUN2000-100KTL-USH0 2062, Huawei SUN2000-25-30KTL-US 313, Huawei SUN2000-45KTL-US-HV-D0 313

KACO new energy

KACO new energy blueplanet TL3 181, KACO new energy blueplanet TL3 182, KACO new energy blueplanet TL3 183

SMA

SMA SB-US-40 3501, SMA SB-US-41 3501, SMA SBSE-US-50 3501, SMA PEAK3-US 3501, SMA CORE1-US 3501, SMA STP-TL-US 3501, SMA STP-X-US 3501, SMA SC-CP-XT 3501, SMA SC-CP-XT 3504, SMA SC-CP-XT 3510, SMA SC-CP-XT 3511

Schneider Electric

Schneider Electric CL125 039, Schneider Electric CL125 055

Solis

Solis 1P-4G-US PV ISO-PRO 01/02, Solis 3P-5G-US PV ISO-PRO 01/02, Solis RHI-1P-HV PV ISO-PRO 01/02, Solis S5-GC PV ISO-PRO 01/02, Solis S6-EH1P PV ISO-PRO 01/02, Solis S6-GC PV ISO-PRO 01/02, Solis S6-GU PV ISO-PRO 01/02

Sungrow

Sungrow SG-CX-US 039, Sungrow SG200HX 039, Sungrow SG250HX 39, Sungrow SG350HX 039

Yaskawa Solectria

Yaskawa Solectria PVI-25TL-R IsolationErr, Yaskawa Solectria PVI-TL IsolationErr

Same code in other families

• Fronius Galvo 502
• Fronius Primo 502

Claims

defined_in

reports

indicates

affects

has_event_class

has_production_effect

mitigated_by

applies_to

Data

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