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Static transfer switches Maintenance Checklist

FORM STATIC-TRANSFER-SWITCHES-MAINTENANCE · V6
Engineer name
Date
Work scope & measurement context (optional record fields)

References only. This site supplies no acceptance values, test settings, intervals or release instructions. Selecting a scope does not authorize work. Use Remarks for row-specific context; refer to original files, which are not uploaded here.

Open V5 saved records (read-only)

Draft · technical review pending. Recording prompts only; not procedures or acceptance criteria. Work and access require your approved plan. No normal ranges, pass/fail values, test settings or maintenance intervals are supplied. Condition results are user-entered judgements under separately approved criteria. Evidence/task/measurement OK means the specified record is complete, not healthy equipment. This checklist does not authorize release to service. Unit selection does not convert values.

How to read this form

As-found observation
Describe what was observed. OK / Not OK are unavailable.
Condition
OK = User assessment under the referenced approved criteria.
Measurement record
OK = Required measurement record and context are complete.
Evidence check
OK = Required reference or evidence is verified.
Task record
OK = The specified recording task is complete.
Blank / Pending / N/A
Blank is unclassified. Pending identifies missing checks, evidence or criteria. N/A needs a reason in Remarks.

No row or completed form certifies safety, compliance or fitness for service.

Engineer/date/signature spaces remain for handwriting. Multiple records can be saved locally in this browser and exported; no cloud backup, file attachments or team approval is provided. Older template records stay separate and are not reinterpreted. Keep sensitive information off shared devices.

0 of 49 checkpoints recorded

Compare with an earlier saved inspection

Enter the same Equipment ID, Site and installed-asset identity / serial reference. Only the same template revision is compared. Context and units are shown without conversion or condition verdicts.

Records on hand & preparation

Record the documents and scope available for this inspection. Recording completion is not work authorization.

1
Record equipment identity, subtype, model and maintenance scopeTask record · OK = The specified recording task is complete
2
Review previous inspection, repair and original test recordsTask record · OK = The specified recording task is complete
3
Record operating events, known defects and outstanding follow-upTask record · OK = The specified recording task is complete
4
Reference current manufacturer maintenance instructions and approved work controlsTask record · OK = The specified recording task is complete
5
Record approved methods and instrument/calibration references for planned testsTask record · OK = The specified recording task is complete
6
Identify fitted parts, maintenance exclusions and baseline comparison conditionsTask record · OK = The specified recording task is complete
TRANSFER MECHANISM
No.CheckpointValue / observationOKNot
OK
N/ARemarks
7Normal/emergency source and transfer mechanism are identifiedEvidence check · OK = Required reference or evidence is verified
8Position indication and mechanical condition are documentedEvidence check · OK = Required reference or evidence is verified
9Approved transition sequence and interlock test evidence is referencedEvidence check · OK = Required reference or evidence is verified
10Transfer event timing and return-to-normal records identify load conditionsEvidence check · OK = Required reference or evidence is verified
11Approved transfer-sequence verification report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified
12Maintenance follow-up for transfer mechanism: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified
INVERTER
No.CheckpointValue / observationOKNot
OK
N/ARemarks
13Inverter model, firmware and topology are recordedEvidence check · OK = Required reference or evidence is verified
14Power-module and DC-link capacitor service records are referencedEvidence check · OK = Required reference or evidence is verified
15Cooling, alarm and overload history are documentedEvidence check · OK = Required reference or evidence is verified
16Output quality/functional reports identify load and operating modeEvidence check · OK = Required reference or evidence is verified
17Approved inverter functional report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified
18Maintenance follow-up for inverter: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified
LOGIC & SETTINGS
No.CheckpointValue / observationOKNot
OK
N/ARemarks
19Approved logic diagram and settings revisions are recordedEvidence check · OK = Required reference or evidence is verified
20Permissive, trip and alarm test evidence references the tested pathsEvidence check · OK = Required reference or evidence is verified
21Temporary overrides and disabled logic are documentedEvidence check · OK = Required reference or evidence is verified
22Change authorization and as-left configuration evidence are retainedEvidence check · OK = Required reference or evidence is verified
23Approved logic/setting verification report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified
24Maintenance follow-up for logic & settings: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified
POWER CONNECTIONS
No.CheckpointValue / observationOKNot
OK
N/ARemarks
25Terminal and conductor identity match the reviewed connection drawingEvidence check · OK = Required reference or evidence is verified
26Discoloration, insulation damage and heat marks are recorded by terminalEvidence check · OK = Required reference or evidence is verified
27Conductor support, bend and strain-relief discrepancies are documentedEvidence check · OK = Required reference or evidence is verified
28Approved torque/service evidence is referenced without inferring a torque valueEvidence check · OK = Required reference or evidence is verified
29Approved connection-resistance report — attach the approved report with method, conditions and source reference; only if in scopeMeasurement record · OK = Required measurement record and context are complete
30Maintenance follow-up for power connections: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified
COOLING & VENTILATION
No.CheckpointValue / observationOKNot
OK
N/ARemarks
31Ventilation openings, filters and air paths have documented conditionEvidence check · OK = Required reference or evidence is verified
32Fans, guards and cooler/radiator surfaces are inspected within approved accessCondition · OK = User assessment under the referenced approved criteria
33Cooling stage control and alarm evidence are referenced where fittedEvidence check · OK = Required reference or evidence is verified
34Ambient/load context and sensor location accompany temperature recordsEvidence check · OK = Required reference or evidence is verified
35Cooling-system temperature at the identified measurement locationMeasurement record · OK = Required measurement record and context are complete
36Cooling-system functional or temperature report — attach the approved report with method, conditions and source reference; only if in scopeMeasurement record · OK = Required measurement record and context are complete
37Maintenance follow-up for cooling & ventilation: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified
GROUNDING & BONDING
No.CheckpointValue / observationOKNot
OK
N/ARemarks
38Protective earth and bonding conductor identification is recordedEvidence check · OK = Required reference or evidence is verified
39Accessible bonds, clamps and joints show documented conditionEvidence check · OK = Required reference or evidence is verified
40Missing conductors, corrosion and mechanical damage are recordedEvidence check · OK = Required reference or evidence is verified
41Reviewed earth drawing and continuity measurement locations are referencedEvidence check · OK = Required reference or evidence is verified
42Approved bonding-continuity report — attach the approved report with method, conditions and source reference; only if in scopeMeasurement record · OK = Required measurement record and context are complete
43Maintenance follow-up for grounding & bonding: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified
REVIEW & FOLLOW-UP
No.CheckpointValue / observationOKNot
OK
N/ARemarks
44Attach original reports, photographs and manufacturer-document referencesTask record · OK = The specified recording task is complete
45Record units, method, conditions and instrument identity for each entered resultTask record · OK = The specified recording task is complete
46Explain excluded or inapplicable parts and missing evidenceTask record · OK = The specified recording task is complete
47Record discrepancies and assign follow-up owner and due-date referenceTask record · OK = The specified recording task is complete
48Record qualified review and separately authorized dispositionTask record · OK = The specified recording task is complete
49Reference restoration or release records; this checklist does not authorize releaseTask record · OK = The specified recording task is complete
Engineer signature
Reviewer / reference

elecmaint.com · Template V6 · 49 checkpoints · No automatic condition assessment. OK does not certify safety or fitness for service. N/A requires an explanation; unknown/unverified items remain unclassified.