Mitel sx-100 User Manual page 87

Trouble C h e c k
1. Is the handset
System power on
plugged into the
but no LEDs lit on
console?
console. Appears to
be no power to the
console.
2. Is the console
cable secure?
3. Is the fuse on
the
card good?
4. Is the
Interconnect
passing -48 Vdc to
the console?
Trouble Check
Major Alarm on 1. Check that the
console. System .. master
appears to operate switch on the
normally; ie., calls maintenance
is in operating
can be processed.
position.
2. Check the Power
Fail Transfer LED
on the PFT board.
Is it not lit?
3. Disable all
console switches.
Did the system
remove itself from
Power Fail Transfer
4. Replace the
maintenance
as per
(SX-100).
5. Replace the
power
as per
(SX-100).
CHART 6-2
s x - 1 0 0
X
X
X
Interconnect
X
card
CHART 6-3
X
transfer
panel
X
X
X
X
X
X
X
panel
X
supply
SECTION MITL91 OS/91 1 O-096-350-NA
s x - 2 0 0 Action
X Plug in handset.
X Secure console cable.
X Check the fuses on the Interconnect cards and
replace if blown. Power system up. Replace
cable if the fuse blows. Try again.
X
Action
s x - 2 0 0
X Set all switches as per
paragraph 2.16.
Change card as per
X
X OOT condition may exist.
Refer to Appendix F.
X Ensure that the console
is in the correct plug.
X Change the console as per MAP350-501.
X Change the console cable as per MAP350-501.
X Change the maintenance panel, MAP350-511.
X
X
SX-100
SX-200
(SX-100).
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