Product manual

Overview
125
Appendix F: General Troubleshooting
Guide
Overview
This section provides some suggestions useful in troubleshooting situations that may
occur with the installation or operation of the Model 6 / Model 26 system. For further
help, please contact Zetron at [phone], and ask for Technical Support on the
Model 6 or Model 26 equipment.
Problem:
Upon power up of the Model 26, no LEDs light and no beeps are
heard.
Solution:
Verify that there is a connection between the Keyboard Expansion
Loop In and Loop Out ports on the rear of the Model 26. If there are
no Model 26 Auxiliary Panels within the system, a jumper cable will
need to be installed between these ports (provided with the Model
26). Verify that the 12 volt power supply and the connection to the
Model 26 are correct. If an EPROM was just installed in the Model
26, verify correct placement of EPROM in socket.
Problem:
Upon power up of the Model 26, the red LEDs next to all of the
stations are lit indicating communication failure.
Solution:
Verify that communications (both adjustments and programming)
between Model 26 and Model 6 are correct. Refer to Model 6/26
FFSK Alignment Procedure, Appendix D for additional details.
Check connections (TX/RX) on back of Model 26. If this Model 26