Maintenance and cleaning

The following maintenance tasks are to be carried out for the inverter:

DANGER

Risk of death due to electrical shock and discharge!

Life-threatening voltages are present in the inverter.

Only a qualified electrician may open and perform work on the device.
Disconnect all poles of the device before starting work.
Wait at least 10 minutes after disconnecting the device until the internal capacitors have discharged.

Maintenance list

Activity	Interval
Check operational status Normal operating noise Function of all communication connections Damage or housing deformation	Once a month
Electrical connections Check that cable connections and plugs have good contact and are secure Check cable connections for damage or ageing Check grounding	Once every six months
Clean the inverter Remove soiling Check ventilation ducts, clean if necessary Remove and clean the fan if necessary	Once a year

Activity

Interval

Check operational status

Normal operating noise
Function of all communication connections
Damage or housing deformation

Once a month

Electrical connections

Check that cable connections and plugs have good contact and are secure
Check cable connections for damage or ageing
Check grounding

Once every six months

Clean the inverter

Remove soiling
Check ventilation ducts, clean if necessary
Remove and clean the fan if necessary

Once a year

Use maintenance lists in which the work undertaken is logged.

If no maintenance work is carried out, this will result in an exclusion of warranty (see 'Exclusion of warranty' in our service and warranty conditions).