Contacta IL-EL42-PF Manuel d'installation - Page 10

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