BIRD Termaline 8890 Series, Инструкция

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15
Chapter 6 Maintenance
This chapter covers cleaning, inspection, trouble-shooting, and specifications
for the Bird 889x Loads.
Troubleshooting
The table below contains troubleshooting information for problems which can
occur during normal operation. This manual cannot list all malfunctions that
may occur, or their corrective actions. If a problem is not listed or is not cor-
rected by the listed actions, notify a qualified service center.
WARNING
Never attempt to connect or disconnect RF equipment from the
transmission line while RF power is being applied. Leaking RF energy is a
potential health hazard.
WARNING
Disconnect the blower assembly from supply voltage before performing any
maintenance.
PROBLEM POSSIBLE CAUSE CORRECTION
No air flow from blowers;
“BLOWER ON” light off
Unplugged power cable Connect the power cable.
No AC power Make sure AC power is properly connected and turned on.
Fuse burnout Replace fuse after correcting the burnout cause (See
“Replacing the Fuse” on page 18).
No air flow from blowers;
“BLOWER ON” light on
Fan obstructed by bent grill Straighten the grill.
Fan motors overheated
Clean the grill and fan blades (See “Cleaning the Load
Resistor” on page 16).
Fan motors burnt out Replace the fan motors (See “Replacing the Fan” on page 19).
Air flow from blowers;
“BLOWER ON” light off
Lamp burnout Replace lamp (See “Replacing the Indicator Light” on
page 18).
Leaking coolant Loose clamping band Tighten the clamping band.
Defective or improperly
installed O-ring
Replace the O-ring (See “Replacing the Load Resistor” on
page 19).
High or low DC
resistance
Loose RF input connector Tighten connector.
Faulty RF input connector Model 8890: Replace connector (See “Replacing the RF
Connector” on page 18).
All other models: Return the unit for service.
Faulty resistor Replace the resistor (See “Replacing the Load Resistor”
on page 19).
Overheating radiator RF power too high Lower RF power (See “Specifications” on page 22 for
maximum RF power).
Coolant level too low Check the coolant level. Add coolant if necessary (See
“Inspecting the Coolant Level” on page 17).
Coolant degraded Replace the coolant (See “Inspecting the Coolant Level”
on page 17).
Faulty control
thermoswitch (blower only)
Replace control thermoswitch (See “Installing the
Thermoswitch” on page 6).
Faulty resistor Replace the resistor (See “Replacing the Load Resistor”
on page 19).
深圳市新朗普电子科技有限公司
www.xLp17.com Email:fuhao@17Lp.com TEL:0755-83986300 FAX:0755-88850515
QQ：55178055 285480356
深圳市新朗普电子科技有限公司
www.xLp17.com Email:fuhao@17Lp.com TEL:0755-83986300 FAX:0755-88850515
QQ：55178055 285480356