40
Table 6. 3
General Troubleshooting Guide
Conditions / Symptom
Observation
Cause
Solution
Pads do not empty well during
purge cycle. A "click" is
heard when the purge is
initiated. Multiple purge
cycles are unsuccessful.
Tank is overfilled.
Drain 0.5 liter water from the
upper drain port. Power up in
User Diagnostic Mode and check
the level. Repeat this process
until the level is less than 5.
Pads do not empty well during
purge cycle. No "click" is
heard when the purge is
initiated. The VV LED on the
I/O CCA illuminates during
the purge.
Purge valve
inoperative.
Replace the I/O Manifold
assembly. Recalibrate upon
completion.
Pads connected.
System fails to purge
completely.
Pads unable to empty during
purge cycle. No "click" is
heard when the purge is
initiated. The VV LED on the
I/O CCA does not illuminate
during the purge.
Electronics fault.
Call Medivance Service.
Water spills from the Main
Tank Vent in Manual or
Automatic Modes.
Control Module has been
switched into service during a
case.
Overfilled tank due to
pads being purged into a
full Control Module.
Drain some water from the upper
drain port.
Water jets from the Main
Tank Vent in Purge Mode.
Control Module has been
switched into service during a
case.
Overfilled tank due to
pads being purged into a
full Control Module.
Drain some water from the upper
drain port.
Water jets from the Main
Tank Vent in Fill Mode.
Cleaning Solution has not
been added to the distilled
water being used to fill the
Control Module.
Low conductivity of the
fluid.
Drain all water from the upper
drain port. Refill after adding
Cleaning Solution to fluid being
used to fill the Control Module.
Cleaning Solution has been
added to the fluid being used
to fill the Control Module.
Level sensor or cable
fault.
Check the sensor connection at
the I/O Card. Replace the level
sensor harness.
Reservoir overfills
Cleaning Solution has been
added to the fluid being used
to fill the Control Module. Level
sensor cable replacement
unsuccessful.
Electronics fault.
Call Medivance Service.
At power-up, the level is read
and indicates “full”. The
Control Module will not even
attempt to fill. Attempting to
drain the tank yields little or
no water. (Note: the tank can
hold about 2.8 liters. The
resistance between the GND
TEST point on the Power
Card and the chassis is
greater than 1 ohm.
Low voltage circuitry
ground fault.
Replace the Power Module.
Control Module will not fill
Indicates "full" when tested as
above, ground resistance low.
Electronics fault.
Call Medivance Service.
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