troubleshooting Guide
16
Problem
System doesn't work/
shows FAIL on display.
Compressor doesn't run.
Compressor runs all the
time.
Compressor runs but
bags will not inflate or
deflate. Command is
given and display shows
system deflating but
bag pressure does not
change.
Display shows 4-69 BAR
instead of 5-100 PSI.
Cause
Blown fuse or poor
electrical connection/out of
communication range.
Display is not linked to
manifold, blown fuse, bad
ground or poor electrical
connection.
Leak in the system.
Happens in cold climates
when moisture in manifold
freezes, blocking the air
ports and causing limited or
no air flow.
Debris may have entered
the system blocking the
internal orfices.
Display is set to decibar
instead of PSI.
WirelessaIR
Solution
Replace fuse/repair
connection.
Move closer to manifold/link
display to manifold (see User
Guide).
Replace the fuse, check
ground or check compressor
connection.
Locate the leak.
Call and inquire about
optional heater kit or add
about 4 oz. (1/2 cup) of "Gunk
Brand" air brake system anti-
freeze directly into each flex
member. Remove the air line
and/or fitting from the air bag
and fill directly. DO NOT FILL
THROUGH COmPRESSOR
OR mANIFOLD — DAmAGE
WILL OCCUR .
Refer to "Joining the Digital
Controller to the Manifold"
on page 11 for instruction on
how to change units from the
Options menu.
MN-681
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