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KX-TG7841/KX-TG7842/KX-TG7843/KX-TG7844/KX-TG7845/KX-TG365SK/KX-TG7871/KX-TG7872/KX-TG7873/KX-TG7874/KX-TG7875/KX-TG385SK/KX-TGA680
10 Troubleshooting Guide
10.1. Troubleshooting Flowchart
FLOW CHART
Power ON Base Unit
Record
Playback Pre-Message
Link
OK
Range
Handset Voice Transmission
Handset Voice Reception
Caller ID function
Bluetooth Function
Cross Reference:
Check Power (P.35)
Check Record (P.36)
Check Playback (P.39)
Check Battery Charge (P.39)
Check Link (P.40)
Check the RF part (P.42)
Check Handset Transmission (P.47)
Check Handset Reception (P.47)
Check Caller ID (P.47)
Check BT Communication (P.48)
Note:
(*1) When a user claims that the unit disconnects a call right
after the greeting message and no incoming messages can
be recorded, this symptom can not reappear with TEL
simulator in the service center. In this case, try to change
the Auto disconnect activation time and Vox level.
<How to change the Auto Disconnect activation time
and VOX level> (P.37) item (A) and (B).
Not working
OK
Not recording (*1)
OK
No playback
OK
No link
Not charged
Battery Charge
OK
NG
OK
No voice
OK
No voice
OK
Caller ID Error
OK
NG
Check Power
Check Record
Check Playback
Check Battery Charge
Check Link
Check the RF part
Check Handset Transmission
Check Handset Reception
Check Caller ID
Check BT Communication
34
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