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BA-en-2018-2006_ES53
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)
Ex-Warning:
Only fuses specified in the spare parts list and complying with Standard
IEC 60127-2/5 may be used; failure to observe this specification will void
the Ex approval.
Fault with F + V*
Cause
Measure
red LED (fault)
lights up
• Dirty bars.
• Sparking on cables
and bars.
• Defective plug
connection.
• Serious source of EMC
interference in the
vicinity of the bar or the
power supply units
• Clean bars
(see Maintenance).
• Replace defective cables
and bars.
• Insert plug properly.
• Locate and rectify the
source of interference. If
this is not possible, take
measures 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:
enabled or not
connected.
• Defective fuse.
• Inform Eltex Service.
• Check supply voltage
and connections. Check
connected cables, cable
connections and bars.
• Replace fuse.
Ex!
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