Mitel sx-100 User Manual page 86

SECTION MITL91 OS/91 1 O-096-350-NA
Trouble Check
System completely 1. Is the AC
dead. Suspect power LED lit?
primary power
failure.
No reserve battery
backup.
2. Is the converter
LED lit?
. .
3. Is the
maintenance
LED (power on) lit?
4. Replace the
SX-100
5. Replace Heat
Sink assembly,
Replace the SX-200
power supply,
Page 80
CAUTION - DANGEROUS OR LETHAL VOLTAGES
CHART 6-1
sx -1 0 0 5 x- 20 0
X
X
X
panel
X
X
power X
Action
X On the SX-200 system, check the rear
door, bottom right-hand
for the AC power LED.
X Check that the system is plugged in.
X Check the AC power fuse on the back of the
system.
X Check the AC power at the commercial source
with a suitable AC meter or by plugging anothel
device into the outlet.
There is 5.5 amp converter circuit
breaker on the front of the SX-100 power
supply. If it is in the ON position, the LED
beside it should be lit.
X There is a 20 amp circuit breaker on the back
door of the SX-200 system. If it is in the ON
position, the LED beside it will be lit.
X If the circuit breaker is off, reset it. If the
breaker trips again, replace power supply -
X Check that the maintenance
panel power on switch is on.
X Ensure that the maintenance panel cable is
connected correctly to the Interconnect card.
X Check backplane voltages as per MAP350-603.
X
X
corner
( S X - 2 0 0 ) .