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9 Maintenance, Diagnostics, and Troubleshooting
9.1 Maintenance and Service
Under normal operating conditions and load profiles, the drive is maintenance-free throughout its designed lifetime. To prevent
breakdown, danger, and damage, examine the drive for loose terminal connections, excessive dust buildup, and so on, at regular
intervals. Replace worn or damaged parts with Danfoss authorized parts. For service and support, contact the local Danfoss supplier.
W A R N I N G
UNINTENDED START
When the drive is connected to the AC mains, DC supply, or load sharing, the motor may start at any time, causing risk of death,
serious injury, and equipment or property damage. The motor may start by activation of an external switch, a fieldbus command,
an input reference signal from the LCP or LOP, via remote operation using MCT 10 Set-up software, or after a cleared fault condi-
tion.
Press [Off] on the LCP before programming parameters.
Disconnect the drive from the mains whenever personal safety considerations make it necessary to avoid unintended motor
start.
Check that the drive, motor, and any driven equipment are in operational readiness.
9.2 Disposal
Do not dispose of equipment containing electrical components together with domestic waste. Collect it separately in accordance
with applicable local regulations.
9.3 Status Messages
9.3.1 Status Message Overview
When the drive is in status mode, status messages automatically appear in the bottom line of the LCP display.
Illustration 72: Status Display
See 9.3.2 Status Messages - Operating Mode.
See 9.3.3 Status Messages - Reference Site.
See 9.3.4 Status Messages - Operation Status.
AQ262141314214en-000301 / 130R0880 | 131Danfoss A/S © 2021.11
Maintenance, Diagnostics, and
Troubleshooting
VLT® HVAC Drive FC 102
Operating Guide
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