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The loudspeakers do not require much maintenance to remain in excellent working order. For the
explosion-proof case, consult the instructions for maintenance page 6.
Carry out maintenance below if necessary.
E
XTERNALLY
· Clean, using a soft damp cloth water with no solvents.
· If you use a high pressure hose (preferably 50 bar) do so from a distance of about 1m50 (5ft)
from the loudspeaker.
I
NTERNALLY
· The loudspeaker requires no internal maintenance. Do not insert any fluid into the telephone
set.
W
EATHERPROOFING
· At least once a year and otherwise whenever closing after opening check thoroughly the
effectiveness of the weatherproofing joints, seals and apertures and state of the silicon sealant
and repair or replace as appropriate .
Before consulting the maintenance service, we advise you to check the following points:
· Check the power supply of the unit.
· Check the state of the adjustments according to the user guide.
· Connection card for LS 15 Ohms without transformer
· Connection card for LS 15 Ohms with transformer 100V
· Amplifier card 15 Watts for Loudspeaker
· Pre-amplifier card + muting 15 Watts for LS
· Electro-dynamic motor with compression chamber 15 Watts 15 Ohms Ref : CE225V7
NFC225A*RED1
\\SERVEUR MAX\\ Notices NFC \ NFC225 \ NFC225A-RED1.DOC
14. MAINTENANCE
15. IN THE EVENT OF A PROBLEM
16. SPARE PARTS LIST
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Ref : WK074RHP1
Ref : WK074RHP2
Ref : WK065CHA
Ref : WK032PMU
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