NORTHROP GRUMMAN Park Air T6-AV100, User Documentation

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T6-D-USER-AV100-EN Page 9-1 Fault finding
© Park Air Systems Limited 2020
9 Fault finding
Use the fault finding guidelines below to resolve problems that may arise when operating the amplifier. If the
problem remains contact the Park Air Customer Service department, see Park Air V2 Services .
Symptom
Displayed icons and message alerts
Probable cause Remedy
Amplifier will not power on
No status indicator illuminated.
No available power supply
(outage)
Check power supply available.
No power supply indicator illuminated.
Power supply cables not
connected correctly.
Check both AC/AC and DC/DC power
supply connectors.
Reduction in power output
Radio home screen displays “ Reduced Service ”
message.
Status indicator illuminates red.
Spanner fault code indicator illuminated.
Internal fault. Contact Park Air Customer Services.
Radio home screen displays “ Reduced Service ”
message.
Status indicator illuminates red.
Antenna fault code indicator illuminated.
High VSWR.
Check connections.
Check RF feeder
Check antenna
Check surge arrestor devices.
Radio home screen displays “ Reduced Service ”
message.
Status indicator illuminates red.
Temperature fault code indicator
illuminated.
Amplifier
over-temperature.
Check fans, if defective see “fan
failure” remedy steps.
Check cabinet fans (if fitted).
Check ambient temperature.
Check all ventilation for
blockages/restrictions.
Radio home screen displays “ Reduced Service ”
message.
Status indicator illuminates red.
Fanfault code indicator illuminated.
Fan failure.
1. Turn off amplifier.
2. Disconnect power supply.
3. Connect radio directly to
antenna.
4. Link radios (if required)
5. Replace fans.
6. Reconnect amplifier.
7. Complete a function test.
Amplifier will not transmit Radio home screen displays “ VSWR ” message. No RF connection Check and secure all connections.
Amplifier displays a single
power source type
Radio home screen displays “Reduced Status -
Amplifier”
Absent power source type indicator is
extinguished on amplifier.
No available power supply
(outage)
Check power supply available.
Power supply cables not
connected correctly.
Check affected power supply
connectors.