Sennheiser HE 1 Instruction manual HE 1 - Page 51

Problem, Possible cause, Corrective action, settings one after the other.

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Page 51 highlights

If a problem occurs ... Problem Possible cause Corrective action Page The bass reproduction is very powerful The storage box does not open after switch-on The remote control does not function properly or has a limited range. The rotary switches do not switch to the desired setting, the glass cover and/or the amplifier tubes do not close flush During switch-off, the rotary switches switch through all the settings one after the other. The signal level of the INPUT audio inputs cannot be adjusted, the status LED lights up red. The HE 1 does not react to any operation The crossfeed function is set to Set the crossfeed function to LOW or 34 HIGH. OFF. The OUTPUT rotary switch is set Set the OUTPUT rotary switch to 35 to LINE. PHONES. The separate headphone Only connect the separate headphone 30 storage box is connected to the storage box to the HEADPHONE 2 HEADPHONE 1 socket. socket. The battery is exhausted. Replace the battery. 43 A lot of sunlight/extraneous light Do not expose the HE 1 to direct sun- - (fluorescent lamps with electronic light/extraneous light. control gear) can reduce the range of the remote control. The rotary switches are/glass cover is/amplifier tubes are decalibrated. Start the calibration of the mechanical 44 components. This is no malfunction - the rotary switches are automatically recalibrated after approx. 500 hours of operation. The volume control is set to minimum (turned fully to the left). Once the calibration process is - completed, the HE 1 switches off (standby). Increase the volume to adjust the signal 33 level. The function of the HE 1 is faulty. Disconnect the HE 1 from the power 27 supply system and switch it on normally once the LED has gone off (up to 30 seconds). Reset the HE 1 to the factory default 45 settings. If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions, please contact your Sennheiser partner for assistance (see "Contact" on page 4). 49

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49
If a problem occurs ...
Problem
Possible cause
Corrective action
Page
The bass reproduction is very
powerful
The crossfeed function is set to
HIGH.
Set the crossfeed function to LOW or
OFF.
34
The storage box does not open
after switch-on
The OUTPUT rotary switch is set
to LINE.
Set the OUTPUT rotary switch to
PHONES.
35
The separate headphone
storage box is connected to the
HEADPHONE 1 socket.
Only connect the separate headphone
storage box to the HEADPHONE 2
socket.
30
The remote control does not
function properly or has a lim-
ited range.
The battery is exhausted.
Replace the battery.
43
A lot of sunlight/extraneous light
(fluorescent lamps with electronic
control gear) can reduce the
range of the remote control.
Do not expose the HE 1 to direct sun-
light/extraneous light.
–
The rotary switches do not
switch to the desired setting,
the glass cover and/or the am-
plifier tubes do not close flush
The rotary switches are/glass
cover is/amplifier tubes are
decalibrated.
Start the calibration of the mechanical
components.
44
During switch-off, the rotary
switches switch through all the
settings one after the other.
This is no malfunction – the
rotary switches are automatically
recalibrated after approx. 500
hours of operation.
Once the calibration process is
completed, the HE 1 switches off
(standby).
–
The signal level of the INPUT
audio inputs cannot be ad-
justed, the status LED lights up
red.
The volume control is set to
minimum (turned fully to the
left).
Increase the volume to adjust the signal
level.
33
The HE 1 does not react to any
operation
The function of the HE 1 is faulty.
Disconnect the HE 1 from the power
supply system and switch it on normally
once the LED has gone off (up to 30
seconds).
27
Reset the HE 1 to the factory default
settings.
45
If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions,
please contact your Sennheiser partner for assistance (see “Contact” on page 4).