Ac/Power Precautions - Christie CP42LH Service Manual

AC/power precautions

Failure to comply with the following could result in death or serious injury.
• Use only the AC power cord provided with the projector. Do not attempt operation if the
• As a safety feature the projector is equipped with a three-wire plug with a third
• Loose cables provide a trip or fire hazard. Position all cables where they cannot contact
• Damaged cables provide a fire hazard. Do not allow anything to rest on the power cord.
• Overloaded power outlets and extension cords provide a fire and shock hazard. Do not
• Disconnect projector from AC before opening any enclosure.
Only qualified service technicians are permitted to open projector enclosures and only if the
projector is disconnected from AC power. Failure to comply could result in minor or moderate
injury.
Lead dress
Before servicing, always carefully observe the original lead dress. Take extra precautions to secure
all harnessing properly, especially in high voltage circuitry areas. Replace any wires with damaged
insulation.
Test the interlocks
Once the projector is running, ensure the safety interlocks are functioning.
Before displaying an image from the projector, test the three interlock devices. Every time
the interlock is activated, the laser modules turn off. Failure to comply could result in death
or serious injury.
Test the key switch
1. Turn the key switch on the laser rack off.
2. Check the status lights on the back of the projector are off.
3. Turn on the key switch.
4. Press Manual Reset on the projector.
Test the laser rack emergency stop
1. Press the emergency stop button on the laser rack.
CP42LH Service Manual
020-101686-03 Rev. 1 (08-2016)
AC supply is not within the specified voltage and power range, as specified on the license
label.
(grounding) pin. If you cannot insert the plug into the outlet, contact an electrician to
have the outlet replaced. Do not defeat the safety purpose of the grounding-type plug.
hot surfaces, be pulled, or be tripped over.
Never operate the projector if a cable appears damaged.
overload power outlets or extension cords.
Safety Information
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