Troubleshooting - Omron H5F Instruction Manual

18. Troubleshooting

Problem
The Time Switch does
not operate when the
power is turned ON.
The Time Switch does
not operate according
to the settings.
Output does not turn ON
when the Out ON/OFF
switch is set to ON.
The time is fast or slow.
The display is incorrect.
Probable cause and
countermeasure
Is the power actually ON?
Check that the power is ON using the
display.
Is the Time Switch wired correctly?
Check the wiring.
Is the present time correct?
Set the present time correctly.
Is the Time Switch set correctly?
Check the settings.
Is the Out ON/OFF switch set to ON or OFF?
Set the Out ON/OFF switch to Auto.
Is the Time Switch set for Override and
automatic return operation?
Clear Override and automatic return operation.
Is power being supplied to the Time Switch?
Check that the power is ON using the
display.
The timing accuracy is influenced by the
ambient temperature. Correct the
present time in time adjustment mode.
Is the Time Switch installed in a location
subject to excessive noise?
Timing performance may be adversely
affected if the Time Switch is installed in
a location subject to excessive noise.
Separate the Time Switch from any
sources of noise.
It is possible that the Time Switch is
subject to the influence of noise or surge.
Separate the Time Switch from any
sources of noise.
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Reference
page
P.7
P.31
P.10
P.17,25
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P.23
P.7
P.10
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