RB-6 L-801A (Airport) Rotating Beacon (Export)
Troubleshooting
2001 Siemens Airfield Solutions, Incorporated
96A0221B
Page 5-2
All rights reserved
Issued 5/01
Problem
Possible Cause
Corrective Action
2. Lamp not lighting
Lamp defective
Replace lamp. Refer to
Replacing
Lamp
in
the
Maintenance
section.
Blown fuse
Replace fuse F2 (30 A, Slo-Blo).
Photocell inoperable
See
Photocell not operating
in this table.
Brush assembly not working
Replace brush assembly. Refer to
Replacing
Brushes and Brush Brackets
in the
Maintenance
section.
Loose or broken wire
Replace cordset or socket.
3. Photocell not
operating
Photocell defective
Replace photocell.
Relay defective
Replace relay.
Loose or broken wire
Repair or replace wire.
4. Poor beacon visibility
Lamp filament not at focal point of
reflector
Move socket up or down so the lamp filament
is at the focal point of the reflector.
Dirty lenses
Clean lenses after they cool off.
5. Motor not turning
Blown fuse
Replace fuse F1 (3.2 A, Slo-Blo).
Motor relay defective
Replace relay.
Motor defective
Replace motor.
Shaft bearing seized
Replace defective bearing.
Loose or broken wire
Repair or replace wire.
6. Motor not turning
during cold weather
Heater inoperable
Refer to
Heater not operating
in this table.
7. Heater not operating
Blown fuse
Replace fuse F3 (5 A, Slo-Blo).
Thermostat defective
Replace thermostat.
Heater defective
Replace heater.
Loose or broken wire
Repair or replace wire.
