6. TROUBLESHOOTING
Symptom
Power indicator does not
light even if the power
switch is turned on.
Charging indicator (red)
does not light even when
the unit is inserted into the
rechargeable
receptacle.
Inserting the unit into the
rechargeable
receptacle causes the
charging indicator (red) to
flash.
Full-charge
indicator
(green) always lights soon.
Full-charge indicator does
not light even 3 hours after
charging has been started
(maximum charging time:
3 hours).
Both the charging indicator
(red) and the full-charge
indicator (green) light
alternately.
Possible cause
• The AC adapter is not plugged into
a working AC outlet, or is not
plugged in correctly.
• AC adapter plug is not connected to
the charger.
• The batteries used in the unit may
not
be
dedicated
batteries.
unit
• The unit may not be seated
correctly in the rechargeable unit
receptacle.
[WM-5225 and WM-5265]
• The mounting adapter may not be
installed correctly.
• The ambient temperature may
unit
exceed the permissible operating
temperature range (0 to 40 ºC, or
32 to 104 ºF), preventing charging.
• The dedicated WB-2000 battery has
probably reached the end of its life
cycle (usually after about 500
charges and discharges).
• The power switch of the unit being
charged may be set to ON.
• The battery may be at the end of its
life.
• The unit may have been installed
with a non-WB-2000 battery.
• There may be foreign objects (such
as metals) in the rechargeable unit
receptacle.
• The battery may be at the end of its
life.
• The power switch of the unit being
charged may be set to ON.
• Make sure the AC adapter is
plugged in to a working AC wall
outlet correctly.
• Connect the plug to the charger's
power input terminal.
• Install the appropriate dedicated
WB-2000
WB-2000 battery in the unit.
• Make sure that the unit is inserted
fully into charger as far as it will go.
• Install the mounting adapter
correctly.
• Perform charging within the
operating temperature range (0 to
40 ºC, or 32 to 104 ºF).
• Replace the WB-2000 battery with a
new one.
• Set the unit's power switch to OFF.
• Replace the rechargeable battery
with a new one.
• Use a dedicated WB-2000 battery
in the unit.
• Remove such foreign objects.
• Replace the WB-2000 battery with a
new one.
• Set the unit's power switch to OFF.
Remedy
7