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Pelco Manual C1487M-D (7/99) 43
3. Press the Iris Open button to enter the submenu entitled Other.
4. Move the joystick up or down to position the cursor beside Pattern Length.
5. Press the Iris Open button. The cursor will move to the right beside the number of
minutes (1.5, 3, or 6).
6. Move the joystick up or down to toggle through the number of minutes (1.5, 3, or 6).
7. SELECT - Press the Iris Open button on your keyboard to select your choice.
CANCEL - Press the Iris Close button if you do not want to change the setting.
TROUBLESHOOTING
Symptom: Unit does not operate.
1. Make sure your controller is trying to communicate with the unit and not another
camera.
2. Turn off power.
3. Remove the lower dome:
In-Ceiling Models - Insert the flat blade of a screwdriver into one of the slots on the
trim ring and twist the screwdriver to pop loose the trim ring and lower dome.
Pendant Models - Remove the two screws that hold the trim ring to the back box.
Insert the flat blade of a screwdriver into the slots on the trim ring and twist the
screwdriver to free the lower dome from the back box.
4. Remove the dome drive: Push in on the green drive eject tab on the side of the dome
drive and gently rock the dome drive to release the latch. When the green latch
releases, pull the dome down.
5. Turn on power.
6. If the red power LED on the door of the interconnect circuit board in the back box does
not light, turn off power.
a. Open the door to the interconnect circuit board and check the fuse. Refer to
Figure 12 or 13 for the location of the fuse. If the fuse is bad, replace it. To order
a replacement fuse from Pelco, specify the part number FUS1.6-5X20FAST. This
is a 1.6-ampere fuse, 5 x 20 mm, fast blow.
b. If the fuse is good, turn on power and use a voltmeter to check if 24 VAC is
getting to the power connector on the interconnect circuit board. Refer to Figure
12 or 13 for the location of the AC power connector.
c. If there is 24 VAC to the power connector, turn off power and return the back box
electronic assembly to the factory for repair. Refer to the
Back Box Electronic
Assembly Removal
section.
d. If there is no voltage at the power connector, check your power supply.
7. If the red power LED is lit, turn off power.
a. Open the door to the interconnect circuit board and check that all connectors are
fully seated.
b. Make sure the wiring is correct between the unit and controller.
c. Close the door. Check the switch settings on the dome drive (refer to Tables C,
D, and E) and reinstall the dome drive.
NOTE:
The dome drive
contains no user-serviceable
parts. If there is a problem
with your dome drive, it
must be returned to Pelco
as a complete unit for
servicing.