ELTEX ES51 Series - Trouble-shooting

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6. Trouble-shooting
Warning!
Electric shock hazard!
• Switch the power supply off and disconnect the supply voltage before
carrying out any maintenance or repair work.
• Any work involving the units must be carried out by qualified electri-
cians.
(* F + V = Function and pollution monitoring)
Fault with F + V* Cause Measure
red LED
(fault)
lights up
• Dirty bars.
• Sparking on cables
and bars.
• Defective plug con-
nection.
• Serious source of
EMC interference in
the vicinity of bar or
power supply units
• Clean bars (see Main-
tenance).
• Replace defective
cables and bars.
• Insert plug properly.
• Locate and rectify the
source of interfer-
ence. If this is not
possible, take meas-
ures to suppress
interference.
green LED (active)
fails to light up no
high voltage
• Lamp in mains power
switch lit: defective
transformer.
• Lamp in mains power
switch fails to light:
supply voltage not
enabled or not
connected.
• Defective fuse.
• Inform Eltex Service.
• Check supply voltage
and connections.
Check connected
cables, cable connec-
tions and bars.
• Replace fuse.
no high voltage • Lamp in mains power
switch lit: transformer
defective.
• Lamp in mains power
switch fails to light:
switch fails to light:
enabled or not
connected.
• Defective fuse.
• Inform Eltex Service.
• Check supply voltage
and connections.
Check connected
cables, cable connec-
tions and bars.
• Replace fuse.