Nortel DMS-100 Series Maintenance Manual page 576

13-18 Star Remote System routine maintenance procedures
Heater element replacement
SRMO
(continued)
Summary of Heater element replacement in the telephony subsystem (TSS)
Open the SRMO
and TSS cover
Set ac circuit
breakers to OFF
Disconnect the
heater connectors
in wiring harness
Remove replace
the defective
heater element
Install heater
element and
connect it to the
wiring harness
Replace fan and
heater
protective grill
297-8353-550 Standard 05.01 March 2001
Y
Is there
N
another defective
heater element?
This flowchart provides a
summary of the procedure.
Use the instructions in the
step-action procedure that
follows this flowchart to
perform the procedure.
Restore power
End of
at the ac panel procedure