10
Symptom
Possible Fault
Action Required
POWER LED not illuminated
Power supply disconnected
or failed
Investigate power supply
POWER LED illuminated
Other LEDs not illuminated
No audio input
Investigate audio feed
POWER LED illuminated
ACTIVE LED flickering
or steady
OVERDRIVE LED off or
occasionally flickering
Correct operation, although
audio input is potentially low
Increase audio level (if
possible)
POWER LED illuminated
ACTIVE LED flickering or
steady
OVERDRIVE LED flickering
regularly
Good operation
No action
POWER LED illuminated
ACTIVE LED off
OVERDRIVE LED illuminated
Induction loop disconnected,
open circuit, or incorrect
specification
Investigate loop and its
connections
Interference (buzzing /
whistling / hissing) is heard
through hearing loop
Unscreened or poortly
earthed third party equipment
is being used in HOST or in
close proximity
Incorrect power supply
Switch off any third party
equipment to identify the
source of interference
CA-10-02 Power Supply is
recommended to aid in
screening interference
Troubleshooting
Содержание IL-EL42-PB
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