1460/61 INSTRUCTION MANUAL
Page 55
My secondary clocks don't keep time!
Is correct date and time displayed on Master Time Programmer?
NO -
Set time and date on Master Time Programmer.
YES -
Is correct clock code programmed for your secondaries?
NO -
Program in the correct clock code for your secondary clocks.
YES -
Is the clock circuit enabled?
NO -
Enable the clock circuit.
YES -
Is daylight savings time programmed correctly for your application?
NO -
Program daylight savings time according to your needs.
YES -
Are clock circuit relays operating at all?
NO -
Call Distributor
YES -
Check wiring of secondary clocks to Master Time
Programmer.
TROUBLE SHOOTING GUIDELINES
The 1460/1461 Master Time Programmer contains both hardware and software. A fully func-
tional unit requires both. If your Master Time Programmer fails, it is possible to find if the failure
is hardware or software related.
If you suspect a hardware failure, you have two resources for testing the hardware: the diagnos-
tic LED's and the diagnostic routine of the Master Time Programmer. The main board of the
Master Time Programmer and each 1464/1464R Four Bell / Auxiliary Circuit Adder Option have
a yellow LED. Some of the Master Time Programmer's hardware is designed to carry instruc-
tions between the microprocessor and the clock and signal circuits. The purpose of the yellow
LED's is to tell you the status of this communication. If all of the LED's are blinking, then commu-
nication is normal. If an LED does not blink, then communication to the circuits of that board is
not occurring. This can indicate either a hardware failure or that an abnormal software routine
(such as the diagnostics routine) is running.
Another test of the hardware is to run the diagnostics routine of the Master Time Programmer.
See appropriate sections of this manual to learn how to run the diagnostics routine. If the unit
fails the diagnostics routine, check that all of the required cables are connected (see Installation
section of this manual). If the failure persists, call your distributor (listed in the front of this
manual). If the unit passes the diagnostics routine and its yellow LED's each blink about once a
second, the cause of the failure is probably not the Master Time Programmer’s hardware.
If you have eliminated the Master Time Programmer’s hardware as the cause of your trouble, the
failure is most likely a programming problem. The following guidelines can help you find some of
the more common programming problems that other people have found. If you can’t solve your
problem with the guidelines, call your distributor (listed in the front of this manual).
TROUBLE SHOOTING GUIDE
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