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4.1 Troubleshooting
138 Installation Manual
4.1.3 Operation
PROBLEM PROBABLE CAUSE SOLUTION
• When using the
speakerphone on an APT,
nothing is audible.
• The HANDSET/HEADSET
selector is set to the
"HEADSET" position.
• When the headset is not used, set the
HANDSET/HEADSET selector to the
"HANDSET" position.
• When using the
speakerphone/monitor
mode with a DPT, nothing is
audible.
• The "HEADSET" mode is
selected by Personal
Programming, "Handset/
Headset Selection".
• When the headset is not used, select
the "HANDSET" mode by Personal
Programming.
• The PT does not ring. • The ringer volume is off. • Turn on the ringer volume.
• During a power failure,
extensions connected to
ports 1 and 2 of super hybrid
ports do not operate.
• A DPT or APT is connected
to the extension port.
• The dialing mode (tone or
pulse) is incorrect.
• Disconnect the DPT or APT and
connect an SLT.
• Set the Tone/Pulse switch to the other
position.
• Originating an outside call,
call transfer, or conference
cannot be performed.
• The corresponding CO
button does not exist on the
PT.
• Program the CO button. Refer to
"1.18.2 Flexible Buttons" in the Feature
Guide.
• Cannot register the PS. • Wrong Personal
Identification Number (PIN)
is registered to the PS.
• Register the PIN set to the Hybrid IP-
PBX into the PS.
• CS is not connected
properly.
• Make sure that the cable is connected
properly with correct pin assignments.
Also, make sure that the cable does not
make short circuits.
• Switch all DIP switches off.
• PS becomes out of range.
• Cannot make calls using the
PS.
• CS is not working. • Make sure that the cable is connected
properly with correct pin assignments.
Also, make sure that the cable does not
make short circuits.
• Switch all DIP switches off.
• Location of CS is not good. • Locate the CS properly (refer to "2.7.5
Site Survey" ).
• Access system of the PS is
not properly set.
• Change the access system setting of
the PS to the appropriate system or
automatic.