Mitel sx-100 User Manual page 88

SECTION MITL9105/911
Trouble
No telephones ring, 1. Ensure that the
but there is dial PFT LED is not on
tone
2. Check that all
PFT switches are
in normal position
Trouble Check
.
Call cannot be Is the system in
made within the PFT?
system
Check
Trouble
Shelf 2 dead Is all power on
shelf 2 present?
Check
Apparent radical Under heavy (or
power fluctuations light)
conditions
power remains
unstable
Trouble Check
Reset the PFT
System cannot be
l
released from PFT
system
to normal?
Page 82
CHART 6-4
I s x - 1 0 0 s x - 2 0 0
X
X
X
CHART 6-5
CHART 6-6
I
CHART 6-7
s x - 2 0 0
s x - 1 0 0
CHART 6-8
s x - 2 0 0
X
traffic
system
CHART 6-9
s x - 1 0 0 s x - 2 0 0
X
returned
Action
X Set all switches as per
paragraph 2.16
X Paragraph 2.16
X Go to Appendix F
Action
I
Go to System Power test,
Appendix F.
Action
X
Go to MAP350-603
Action
X Go to Appendix F
Action
X Check fuse on interconnect
card as per
(SX-100)