📝 Event: 2025-09-03_led_driver_replacement

📊 Report Overview

Event Metadata

Record Type
Maintenance Event

Reason / Suite
Problem

Service Provider
distributor

Instrument
scope-testx1

Maintenance Action

Reason Details:
Illumination in the 561 nm channel intermittently dropped to ~40% output, causing failed time-lapse experiments.

Action Details:
Replaced failing LED driver module for the 561 channel, checked power rails, and rebalanced channel intensity presets across 405/488/561/640.

Status After Fix:
IN_SERVICE

Additional Notes

This outage caused cancellation of two booked sessions; users notified by core facility mailing list.

📄 Raw YAML Ledger

View 2025-09-03_led_driver_replacement.yaml

schema_version: 1
record_type: maintenance_event

maintenance_id: "maint_scope-testx1_20250903_led_driver_replacement"
microscope: "scope-testx1"

service_provider: "distributor"
company: "BioOptics Finland"
contact: "Service desk +358-10-555-2200"
reference: "BOF-SR-98731"

started_utc: "2025-09-03T06:30:00Z"
ended_utc: "2025-09-03T15:10:00Z"

reason: "problem"
reason_details: >
  Illumination in the 561 nm channel intermittently dropped to ~40% output,
  causing failed time-lapse experiments.

action: "replace"
action_details: >
  Replaced failing LED driver module for the 561 channel, checked power rails,
  and rebalanced channel intensity presets across 405/488/561/640.

microscope_status_after: "in_service"
downtime_hours: 8.7

related_qc:
  - "qc_scope-testx1_20250902T1530Z_intensity_v1"
  - "qc_scope-testx1_20250904T0805Z_intensity_v1"

attachments:
  - "maintenance/events/scope-testx1/2025/attachments/2025-09-03_driver_invoice.pdf"

tags: ["illumination", "led", "replacement", "downtime"]

followup: >
  Repeat lamp intensity trend check monthly for the next quarter.
next_due_date: "2025-10-05"

notes: >
  This outage caused cancellation of two booked sessions; users notified by core facility mailing list.