1

Clean the air filter of both Cooler Modules (external or standalone version).

Use a vacuum cleaner and blow away the remaining dust away with compressed air in another room. Take care of orientation when reinstalling the cleaned filters.

The dust filters are fragile. Handle with care.

Frequency at which filters should be replaced is dependant on environmental conditions and the way they can be cleaned. Replace damaged filters immediately.

Cooler filter, "Replacement of a Cooling Unit Filter".

2

Clean the air vents/inlets of the projector:

• air inlet grid of the electronic compartment (front side projector).

• air inlet grid of the heat exchanger (bottom side projector).

Use a vacuum cleaner.

3

Clean the cabinet of the projector. (Removal overall dust accumulation on projector covers)

See cleaning procedure "Cleaning the exterior of the projector".

4

Check cooling liquid level at cooling reservoir

Start refill procedure when level is below Min or almost at Min. See "Check cooling liquid level of the projector". If the liquid level is too low, the maintenance/repair should be performed by a service technician.

5

Verify the internal clock of the ICMP with a real time clock. Correct if needed.

See user guide of Communicator for detailed instructions.