Protective relays Maintenance Checklist
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.
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.
Archived V5 — read-only access to earlier saved records. No automatic migration. Export JSON or CSV for backup.
How to read this form
- 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.
| No. | Checkpoint | Value | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 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 |
| No. | Checkpoint | Value | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 7 | Relay model, serial, firmware and calibration records are retainedEvidence check · OK = Required reference or evidence is verified | |||||
| 8 | Display, LEDs, terminals and auxiliary supply observations are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 9 | Approved settings backup and checksum/revision are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 10 | Injection/functional reports identify functions, binary IO and test equipmentEvidence check · OK = Required reference or evidence is verified | |||||
| 11 | Approved relay-specific injection report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 12 | Maintenance follow-up for relay hardware: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 13 | Approved logic diagram and settings revisions are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 14 | Permissive, trip and alarm test evidence references the tested pathsEvidence check · OK = Required reference or evidence is verified | |||||
| 15 | Temporary overrides and disabled logic are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 16 | Change authorization and as-left configuration evidence are retainedEvidence check · OK = Required reference or evidence is verified | |||||
| 17 | Approved 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 | |||||
| 18 | Maintenance follow-up for logic & settings: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 19 | Trip/close coil and control voltage identity are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 20 | Control wiring, terminal and fuse condition are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 21 | Trip circuit supervision and alarm evidence is referencedEvidence check · OK = Required reference or evidence is verified | |||||
| 22 | Approved trip/close operation report identifies source and control modesEvidence check · OK = Required reference or evidence is verified | |||||
| 23 | Approved trip/close circuit functional report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 24 | Maintenance follow-up for trip & close circuits: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 25 | CT ratio, class, polarity and terminal designations are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 26 | Secondary routing, shorting provisions and reviewed earthing arrangement are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 27 | Accessible insulation, wiring and terminal condition are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 28 | CT test reports identify ratio/polarity/excitation scope; no open-circuit work is instructedEvidence check · OK = Required reference or evidence is verified | |||||
| 29 | Approved CT-specific verification report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 30 | Maintenance follow-up for current-transformer circuits: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 31 | VT ratio, polarity and primary/secondary terminal identity are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 32 | Secondary fuse/protection and reviewed earthing arrangement are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 33 | Accessible insulation, wiring and enclosure condition are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 34 | VT verification reports identify actual circuit configurationEvidence check · OK = Required reference or evidence is verified | |||||
| 35 | Approved VT-specific verification report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 36 | Maintenance follow-up for voltage-transformer circuits: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 37 | Network device, port, protocol and firmware identity are recordedEvidence check · OK = Required reference or evidence is verified | |||||
| 38 | Cable/connectors, link state and accessible enclosure condition are documentedEvidence check · OK = Required reference or evidence is verified | |||||
| 39 | Approved network configuration and backup are referencedEvidence check · OK = Required reference or evidence is verified | |||||
| 40 | Communication/end-to-end reports identify path and outage/latency observationsEvidence check · OK = Required reference or evidence is verified | |||||
| 41 | Approved communication or end-to-end verification report — attach the approved report with method, conditions and source reference; only if in scopeEvidence check · OK = Required reference or evidence is verified | |||||
| 42 | Maintenance follow-up for communications: change from baseline, service/replacement performed and unresolved defect referenceEvidence check · OK = Required reference or evidence is verified |
| No. | Checkpoint | Value | OK | Not OK | N/A | Remarks |
|---|---|---|---|---|---|---|
| 43 | Attach original reports, photographs and manufacturer-document referencesTask record · OK = The specified recording task is complete | |||||
| 44 | Record units, method, conditions and instrument identity for each entered resultTask record · OK = The specified recording task is complete | |||||
| 45 | Explain excluded or inapplicable parts and missing evidenceTask record · OK = The specified recording task is complete | |||||
| 46 | Record discrepancies and assign follow-up owner and due-date referenceTask record · OK = The specified recording task is complete | |||||
| 47 | Record qualified review and separately authorized dispositionTask record · OK = The specified recording task is complete | |||||
| 48 | Reference restoration or release records; this checklist does not authorize releaseTask record · OK = The specified recording task is complete |
elecmaint.com · Template V5 · 48 checkpoints · No automatic condition assessment. OK does not certify safety or fitness for service. N/A requires an explanation; unknown/unverified items remain unclassified.