12
Maintenance Schedule for PV Installs
Site
Type of maintenance
required for PV array
systems.
Suggested
frequency
Comments/
remarks
Date
PV array
House-keeping of the array,
Remove any debris built
up near and under the PV
array system.
As required
Shading
issues if any?
Prune or remove any
foliage that may shade
array
As required
Visual defects
including of
the PV array.
Every 3 months
3 Months
Inspection
of junction
boxes.
Tightness of connections
integrity of seals and
cable entrances, conduits
sealing.
1 year
Wiring of the
installation
Check all electrical
connections for water
ingress
1 year
Electrical
characteristics
Measure open circuit
voltage and short circuit
currents
1 year
Protective
Devices
Verify operation of all DC
and AC CB and RCDs and
even solar array isolators.
1 year
Mounting
structures
Verify integrity of the entire
PV array.
1 year
