Manual

Bird 8930 Series Semiconductor Termaline Coaxial Load Resistor
12
Leaking coolant Loose clamping band Tighten the clamping band
Defective or improperly
installed O-ring
Replace the O-ring
(see “Load Resistor” on page 16)
High or low dc
resistance
Loose RF input connector Tighten connector
Faulty RF input connector Replace connector
(see “RF Connector” on page 16)
Faulty resistor Replace the resistor
(see “Load Resistor” on page 16)
Overheating radiator RF power too high Lower RF power (see “Specifications” on
page 21 for maximum RF power)
Coolant level too low Check the coolant level. Add coolant if
necessary (see “Coolant” on page 15)
Coolant degraded Replace coolant (see “Coolant” on page 15)
Faulty control thermoswitch Replace control thermoswitch
(see “Thermoswitch” on page 6)
Faulty resistor Replace the load resistor
(see “Load Resistor” on page 16)
PROBLEM POSSIBLE CAUSE CORRECTION
Figure 5
Maintenance and Repair Locations
MANUAL
AUTOMATIC
AC ON
FAN GRILL
SIDE BAFFLE
SCREWS
“QC” CONNECTOR
SCREWS
CLAMPING BAND
AND O-RING
FUSE
DRAWER