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PELCO Manual C426M-F (2/98)14
2–3.2 AUTO/RANDOM SCAN OPERATION
The PT2801000 will function in the Auto/Random
mode with the addition of the appropriate Pelco con-
trol system. The PT2801000 has no additional limit
switches or relays for auto scan operation and is, there-
fore, only compatible with current sensing auto/random
type circuits employed in our control systems.
2–4.0 MAINTENANCE
2–4.1 RECOMMENDED EQUIPMENT
AND TOOLS
1. Voltmeter or Ohmmeter
2. Allen Wrench Set
3. Wrench Set
4. Screw Driver, Flat Blade, Phillips Head
5. Pliers, Long Nose
2–4.2 SERVICE TIPS
Some common problems encountered with pan/tilt sys-
tems include mis-wiring, overloading, and not using
the units for the correct application. Should a failure
occur, it is recommended that the following procedures
be used.
1. If the pan/tilt ceases to operate, turn the control
unit off and remove the AC cord from the outlet.
2. Check the fuse in the control unit using either a
voltmeter or ohmmeter. If open (blown), replace
with the proper recommended fuse.
3. Replace the AC cord in the outlet and turn the con-
trol on. If the fuse continues to open (blow), turn
the unit off.
4. Check the control cable between the control unit
and pan/tilt for shorts, high resistance, or opens.
5. If the control cable is found to be good, replace the
connector to the control unit, leave the connector
off the pan/tilt, and replace the fuse.
6. Operate the control unit when it is disconnected
from the pan/tilt. If the fuse continues to “blow”
the fault is in the control. Refer to the appropriate
service manual for the control being used.
7. Check the wiring harness in the pan/tilt for shorts.
8. If the wiring harness is found to be good, then the
problem is internal to the unit; consult factory.