Maintenance Guide - INVT iMars Operation Manual

iMars grid-tied solar inverters
Maintenance
contents
Store the operation
data
Check inverter
operation status
Clean the inverter
Check electrical
connection
Check the security
features

5.4.2 Maintenance guide

Clean the inverter
Cleaning procedure is as follows:
(1) Disconnect the input and output switches.
(2) Wait ten minutes.
(3) Use a soft brush or a vacuum cleaner to clean the surface and the inlet and outlet of the
inverter.
(4) Repeat Section 5.1 operating content.
(5) Restart the inverter.
Maintenance methods
Use real-time monitoring software to read
inverter running data, regularly back up all
inverter running data and stats. Check the
monitoring software and inverter LCD screen to
make sure the parameters are set correctly.
Check to make sure the inverter installation is
solid, no damage or deformation. When
inverter running, check to make sure the sound
and variables are normal. When inverter
running, use thermal imager to check whether
the case cooling is normal.
Check the ambient humidity and dust around
inverter, clean the inverter when necessary.
See Section 5.4.2.
Check whether system cable connection and
inverter terminal block are loosened, if yes,
secure them again in the manner specified in
section 4. Check whether the cable is
damaged, and whether the cable skin touched
by the metal surface is cut.
Check the inverter LCD and stop function of
the system. Simulate stop operation and check
the stop signal communication. Check the
warning marks and replace them if necessary.
33
Operation
Maintenance
cycle
Once each quarter
Every six months
Every six months
Every six months
Every six months