iPECS-MG Hardware Description and Installation Manual
Issue 1.1
Troubleshooting
August, 2010
83
PROBLEM
CAUSE/SYMPTOM
SOLUTION
Power ON sequence
Use the proper power-up sequence.
Turn on all EKSUs then power on the
Basic KSU
Press the MPB Reset button to reset
the system.
Expansion cable connection
Check Expansion cable to verify the
connection and condition.
Expansion KSU does not
operate
Expansion KSU PSU is not
providing power.
Assure that the BKSU power is ON and
the MPB is installed.
Assure the PSU is plugged in, that the AC
power is delivered to the outlet, and the
Fuse/Breaker is operational.
Induced noise on the wire between
the System and the amplifier
Assure the wiring is not run near
equipment that generates high RF
interference.
Assure there are no coils in the wiring.
Use shielded pair wiring and ground the
shield.
Noise on External MOH
and Paging port
Excessive input level from the
external music source
Decrease the output level of the external
music source.