1 DC1 device series
1.10 Maintenance and inspection
24 DC1 variable frequency drive 12/13 MN04020003Z-EN www.eaton.com
1.10 Maintenance and inspection
DC1 series variable frequency drives will be maintenance-free as long as the
general rated operational data ( Section 1.5, „Designations for the
elements in variable frequency drives with an IP20 degree of protection“,
page 18) is adhered to and the specific technical data (see annex) for the
corresponding ratings is taken into account. Please note, however, that
external influences may affect the operation and lifespan of a DC1 variable
frequency drive.
We therefore recommend that the devices are checked regularly and the
following maintenance measures are carried out at the specified intervals.
Table 2: Recommended maintenance for DC1 variable frequency drives
There are no plans for replacing or repairing individual components of DC1
variable frequency drives!
If the DC1 variable frequency drive is damaged by external influences, repair
is not possible.
Dispose of the device according to the applicable environmental laws and
provisions for the disposal of electrical or electronic devices.
1.11 Storage
If the DC1 variable frequency drive is stored before use, suitable ambient
conditions must be ensured at the site of storage:
• Storage temperature: -40 - +60 °C,
• Relative average air humidity: < 95 %, non condensing (EN 50178),
• To prevent damage to the RASP DC link capacitors, storage times longer
than 12 months are not recommended
( Section 1.12, „Charging the internal DC link capacitors“).
Maintenance measures Maintenance interval
Clean cooling vents (cooling slits)
please enquire
Check to make sure that the fan and the
7-segment display are working properly
(press all five buttons simultaneously,
starting with the Stop button)
6 - 24 months (depending on the environment)
Check the filter in the control panel doors
(see the manufacturer's specifications)
6 - 24 months (depending on the environment)
Check all earth connections to make sure they
are intact
On a regular basis, at periodic intervals
Check the tightening torques of the terminals
(control signal terminals, power terminals)
On a regular basis, at periodic intervals
Check connection terminals and all metallic
surfaces for corrosion
6 - 24 months; when stored, no more than 12 months later
(depending on the environment)
Motor cables and shield connection (EMC)
According to manufacturer specifications, no later than 5 years
Charge capacitors 12 months
(￫ Section 1.12, „Charging the internal DC link capacitors“)
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