Concoa Medical IntelliSwitch 570 Series, Installation And Operating Instructions Manual, Page: 32 / 52

30
TROUBLESHOOTING
Symptom Possible Cause Possible Solution
No display or status lights
ON.

No power to the system.

Check that the power source is live.

Check the system fuse.

Restore power.

Replace fuse.

Replace electronic control
board.
System will not switch from
one side to the other
automatically.

Check that the pressure on the destination
side is greater than the switchover pressure
setting.

There may be an overpressure condition on
the side currently being drawn from

Restore pressure to proper
operating level.

Check that the switchover
pressure setting is correct for
the cylinder size and inlet
pressures required.

Reduce the pressure .
There are pressure readings
on both inlet displays but no
delivery pressure.

Internal regulator for the valve system is
plugged or faulty

Isolation valves for delivery regulator are
closed

Clean or replace internal
regulator

Open isolation valves
Remote alarm does not
work with the system.

Remote alarm is not powered.

Wiring between the Medical
IntelliSwitch™ and the alarm is incorrect.

Check the remote alarm LED
on Medical IntelliSwitch™
front panel.

Check alarm is powered and
on.

Check wiring between alarm
and Medical IntelliSwitch™
Outlet pressure from the
system drops below the
adjusted value.

Flow demand on the system is greater than
the cylinders can supply.

Cylinder pressures are too low.

Switchover pressure set too low for the
application.

Replace or resize cylinders.

Change switchover pressure
on Medical IntelliSwitch™.
Gas from one side appears
to be flowing to the other.

Dirty or bad check valve.

Replace check valve.
Any display shows an “Err”
Code

Refer to section on Error Codes in this
manual
Delivery Regulator Alarm –
System switches to other
delivery regulator upon
initial load draw Instantaneous demand for gas that exceeds
gas flow capabilities can cause the delivery
regulator to fall below acceptable pressure
value causing the system to think the
regulator has failed.

Turn pressure ON to
application slowly

Increase delivery regulator
alarm delay time. (factory set
at 3 sec.)