Mini-X-Purge Size 1 Manual ML 442 - Expo Technologies

System fails to switch power
on after the purge time has
elapsed.
Is Power
available?
Yes
Is Power
isolator closed?
Yes
Are the fuses or
circuit breaker?
OK?
Yes
Has the purge
time completed
its course?
Yes
For PO option only
Is there pressure at the
power switch output
bulkhead and at the
power switch? Is the
power switch OK?
Yes
For PO option only
Is the tube to the
power switch air
tight?
Yes
Is the Purge
time correct?
Yes
Call Expo
No
No
No
No
No
No
Check the small
indicator button
on the timer
valve. When the
valve has timed
out, it should
return out when
depressed.
Check if the
external Power
Switch contacts
close at 1.4 Barg
Ensure fitting nuts
are tightened and
that the tube is not
damaged. Check
and repair as
necessary.
Note the timer setting. Reset the timer to the
minimum available purging period and check
the operation on that purge time.
Ensure that the purge time is returned to
its original setting and checked before
putting the system back into service.
ML 442 Issue 5C SP5115 09/11/12 ©
Page 20 of 22
No