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HDWA-SVX002C-EN
pre-charge resistors, smoke or arc trails on MOVs and
capacitors, etc.).
7. Closely inspect the motor terminal board for any signs
of leakage, arcing, etc..
8. Check ALL cable/lug/terminal connections inside the
drive enclosure. Ensure all are clean and tight, and not
rubbing against each other anywhere.
9. Test pH levels annually. Replace fluid as necessary, or
every 5 years.
10. Remove and clean electrical panel air filters.
Operational Inspection—Power Applied
WARNING
Live Electrical Components!
Failure to follow all electrical safety precautions when
exposed to live electrical components could result in
death or serious injury.
When it is necessary to work with live electrical
components, have a qualified licensed electrician or
other individual who has been properly trained in
handling live electrical components perform these
tasks.
1. Verify the drive cabinet cooling fans are operating. This
should be done from outside the enclosure, by looking
into the cabinet at door and cabinet vents, to avoid
electrical hazards.
Note: The power module fan comes on with power.
Other fans cycle with drive operation.
2. Check historic fault codes using Adaptive Frequency™
Drive (AFD) control panel (LCP).
Note: The AFD control panel is used ONLY for service
and should never be used for machine operation.
3. Check configuration settings and confirm all proper
settings are still present in the controls.
4. Review the diagnostic history.
5. Make Chiller Service report to document all setpoints.
6. Check the Symbio™ 800 alarm histories for any
indications of operational problems.
Maintenance
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