Hydronix Hydro-Control VI, Руководство по установке

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Appendix B Diagnostics
Hydro-Control VI Installation Guide HD0455 Rev 1.9.0 97
Symptom: Faulty input
Possible explanation Check Required result Action required on failure
Incorrect OPTO
module used for the
input.
Voltage range for
the input module.
As a quick guide,
look at the colour of
the OPTO module
by looking though
the holes in the
back of the
controller.
OPTO module
colour:
White: DC module,
typically 10-32v DC
Black: AC module,
typically up to 110v
AC
Contact Hydronix for more
details.
Wiring fault When the OPTO
switches on the
OPTO LED should
light up. Apply
correct voltage
across the input
terminals of the
OPTO, i.e. for DC
input module, 0v
connected to –
terminal and 24v
connected to +
terminal.
When voltage is
applied, LED turns
on. Hydro-Control
must be powered
for this.
Swap module with the same
input range module if one is
available, and re-apply power
across the terminals.
Symptom: Faulty display contrast
Possible explanation Check Required result Action required on failure
Faulty internal power
supply to backlight.
- Contact Hydronix
for repair details.
-
Backlight has failed - Contact Hydronix
for repair details.
-
Symptom: When power applied display is dark and unit beeps
Possible explanation Check Required result Action required on failure
RAM Self test has
failed
Remove power and
re-apply
Correct startup Contact Hydronix for repair
details.