Figure 5-18: Removing the PM air inlet filter
Refer to Figure 5-18. Filter can be removed from either side of PM:
1. Unlatch the retaining hook and grasp the filter handle.
2. Carefully pull the filter frame straight out keeping it perpendicular to the side
of the PM chassis.
3. Clean the filter with warm water and allow to dry.
Reverse the above procedure to re-install the filter. When filter assembly is in
proper position, the retaining hook should be latched to the rail.
When AFCI (Arc Fault Circuit interrupter) detects an arcing energy on PV wiring,
the inverter will stop operating and be locked for fire hazards and safety concerns.
AFCI Fault protection releasing procedure
1. Check DC wiring to find and replace damaged wires which cause arcing energy.
2. Press " " and " " button on the display together for 5 seconds to release
AFCI Fault protection.
5.4.2.2 Procedures to remove PM air inlet filter
5.5 Release AFCI Fault Protection
LCD screen
press together
for 5 seconds
100
Maintenance
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