Sea Tel ST88-21 C/Ku-Band TVRO, Installation And Operation Manual

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ST88-21 C/Ku-Band TVRO Maintenance and Troubleshooting
13-1
13. Maintenance and Troubleshooting
This section describes the theory of operation to aid in troubleshooting and adjustments of the antenna system. Also refer to
the Troubleshooting section of your ACU manual for additional troubleshooting details.
WARNING:
Electrical Hazard – Dangerous AC Voltages exist inside the Antenna Pedestal Breaker
Box. Observe proper safety precautions when working inside the Pedestal Breaker Box.
WARNING:
Electrical Hazard – Dangerous AC Voltages exists on the side of the Antenna
Pedestal Power Supply. Observe proper safety precautions when working inside the Pedestal
Power Supply.
13.1. Warranty Information
Sea Tel Inc. supports its antenna systems with a TWO YEAR warranty on parts and ONE YEAR warranty on labor.
What’s Covered by the Limited Warranty?
The Sea Tel Limited Warranty is applicable for parts and labor coverage to the complete antenna system, including all
above-decks equipment (radome, pedestal, antenna, motors, electronics, wiring, etc.) and the Antenna Control Unit
(ACU).
What’s
NOT
Covered by the Limited Warranty?
It does
not
include Television sets, DBS/DTH receivers, multi-switches or other distribution equipment, whether or not
supplied by Sea Tel commonly used in TVRO Systems. Televisions, DBS/DTH receivers and accessories are covered by
the applicable warranties of the respective manufacturers.
It does
not
include Transmit & Receive RF Equipment, Modems, Multiplexers or other distribution equipment, whether
or not supplied by Sea Tel commonly used in Satellite Communications (TXRX) Systems. These equipments are
covered by the applicable warranties of the respective manufacturers.
Factory refurbished components used to replace systems parts under this warranty are covered by this same warranty
as the original equipment for the balance of the original warranty term, or ninety (90) days from the date of
replacement, whichever occurs last. Original Installation of the system must be accomplished by or under the
supervision of an authorized Sea Tel dealer for the Sea Tel Limited Warranty to be valid and in force.
Should technical assistance be required to repair your system, the first contact should be to the agent/dealer you
purchased the equipment from.
Please refer to the complete warranty information included with your system.
13.2. Recommended Preventive Maintenance
Ensure that all of the normal operating settings (LAT, LON, HDG, SAT and al of the Tracking Receiver settings) are set
correctly. Refer to the Functional Testing section to test the system.
13.2.1. Check ACU Parameters
Assure that the parameters are set correctly. Once all system and receiver parameters have been set, saved
and verified it is highly recommended that you perform a parameter dump using either DacRemP or
ProgTerm diagnostic software to save an electronic copy that may be used a later time to re-configure the
system to the commissioned default settings (parameter upload).
13.2.2. Latitude/Longitude Auto-Update check
Refer to the Latitude & Longitude Update check procedure in the Functional Testing section of this manual.
13.2.3. Heading Following
Refer to the Heading Following verification procedure in the Functional Testing section of this manual.