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Run: Solar PV Module Thermography Survey

Use this solar PV module thermography survey to document hot spots, cracked cells, failed strings, and overheated terminations before they cut output or crea...

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Survey Scope and Site Conditions

Inspection scope documented for array, strings, and equipment included in survey

Inspector is qualified to perform infrared thermography and understands PV electrical hazards critical (required)

Yes No N/A

Ambient conditions suitable for thermography critical (required)

Record irradiance, wind, cloud cover, and ambient temperature. Conditions should support meaningful thermal contrast.

Note (optional)

Array operating under normal load during inspection critical (required)

Yes No N/A

Module Surface and Cell Condition

No module hot spots observed above surrounding cell temperature critical (required)

Yes No N/A

Photo evidence (optional)

No cracked cells, delamination, or discoloration visible in thermal or visual review

Yes No N/A

Photo evidence (optional)

Thermal pattern across module is uniform with no localized heating at cell edges or corners

Photo evidence (optional)

Evidence of bypass diode activation or cell-string mismatch documented if present

Photo evidence (optional)

String, Combiner, and Connection Thermography

No failed or underperforming strings identified by thermal comparison critical (required)

Yes No N/A

Photo evidence (optional)

Combiner box, fuse holders, and terminals show no abnormal heating critical (required)

Yes No N/A

Photo evidence (optional)

DC disconnects and exposed terminations show no elevated temperature at lugs, splices, or connectors critical (required)

Yes No N/A

Photo evidence (optional)

Temperature differential at suspect connection recorded

Photo evidence (optional)

Note (optional)

Electrical Safety and Access Control

Appropriate PPE used for energized electrical inspection tasks critical (required)

Access to energized equipment controlled and restricted to authorized personnel critical (required)

Yes No N/A

Lockout-tagout status verified for any de-energized equipment inspected

Yes No N/A

Note (optional)

Findings, Corrective Actions, and Sign-Off

All thermal anomalies documented with module/string identifier, location, and image reference critical (required)

Photo evidence (optional)

Corrective actions assigned for defects requiring repair or retest

Inspector signature

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