30
Troubleshooting
Please contact your distributor (or Contacta if appropriate) if you are experiencing technical
difficulties with the product.
Symptom
Possible Fault
Action
Driver does not turn on.
1) Mains power is absent.
2) Internal issue.
1) Check mains power.
2) Seek assistance.
Interference (buzzing/
whistling/hissing) is heard
through induction loop.
1) Poor input signals.
2) Internal issue.
1) Power off the hearing
loop driver and confirm
that interference isn’t from
external origin.
2) Disconnect input signals.
If sound disappears, check
inputs.
Driver is excessively hot to
touch.
1) Large amount of mains hum
present on input.
2) Internal issue.
1) Check input signal source.
2) Incorrect hearing loop
driver being used.
Loop output level indicates
current is flowing but I hear
nothing in the loop.
1) Shorted feeder cable.
2) Loop listener is not
working or being used too far
from loop.
1) Check feeder cable,
although the hearing loop
driver will usually refuse to
tune to shorted feeder.
2) Check listener and location.
Sound is distorted.
1) Input level has been turned
up too high for signal level at
input.
2) Input signal is distorted.
3) Output signal is clipping.
1) Reduce input level setting.
2) Check signal source.
3) Refer to “The Clipping
Status Lights are lit” below.
Audio from the hearing loop
driver is clipping.
The connected hearing loop
cable is too long.
1) Reduce the length of the
hearing loop cable.
2) Use a larger diameter
cable.
3) Create a two-turn loop.
4) Use a higher voltage driver.
