C-Tel CPS-Z, User Manual

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Chap 5 Maintenance & Troubleshooting
5.1 Outgoing calls can’t be made
1). C.O. line is set to special Extension;
2). Extension hangs up improperly;
3). CPU and internal data is disorder caused by unstable power.
4). Call restriction class is 6.
5.2 Outside calls can’t dial in
1). The conjunction of C.O. line loose;
2). C.O. line was connected to other equipment;
3). No message recording at auto-operator mode.
5.3 Intercom can’t be made
1). Extension hangs up improperly;
2). Extension number wrong.
BREAKDOWN CAUSE SOLUTION
Running light malfunction
Power off
Check the power socket and Power
supply
No sound from extension Disconnected wiring or
malfunction of telephone.
Reconnect the wiring or try to remove
the telephone’s failure
Bad connection Screw down the joint
Cacophony
The distributing of line is not
reasonable Leave telephone from the disturbing
source
Bad tone
Mix using of non-standard
telephones
Use the standard telephones
No incoming
Devoid function of incoming
telephone display Write application to telecommunication
office
telephone display Wrong setting of No-disturbing
and it status. Rescind the No-disturbing and set
incoming telephone display
Exterior line disconnected Connect to the exterior line
Dial-out malfunction Exterior line is not connected well Check whether the line is connected
well
Limited calling time Time limited Rescind the limit
Cannot program the
telephone
Wrong coding
Check the programming extension and
use the right code
Others Others Refer to professional
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