Maico EHD Series, Монтаж и эксплуатация, Страница: 20 / 32

uk │ 10. Dismantling
20
10. Maintenance
The unit is maintenance-free. If maintenance
work is required, please observe the
following:
DANGER
Danger to life from electric
shock.
Prior to access to the connection
terminals, switch off all supply
circuits. Move service switch to
the "Off" position and protect
against switching back on again.
CAUTION
Danger of injury from rotating
impeller.
Wait until the impeller is
stationary before opening the
housing.
CAUTION
Risk of cuts from metal
housing plates with sharp
edges.
Wear protective gloves.
11. Fault rectification
● Call on the services of a trained electrician
any time there is a fault.
● Repairs should only be carried out by a
trained electrician.
DANGER
Danger to life from electric
shock.
Prior to access to the
connection terminals, switch off
all supply circuits. Switch off
mains fuse, secure against
being accidentally switched
back on and position a visible
warning sign.
Fault Cause, measure
Fan
does not
switch on. No mains voltage.
Check whether the mains
fuse has failed. Switch on if
necessary. If necessary, also
check the service switch.
Fan
does not
switch on.
Impeller blocked.
Repairs may only be
carried out by a trained
specialist:
Check impeller
and clean if necessary.
Motor’s thermal
overload
protection
switches the fan
off.
Motor too hot.
Leave the unit switched off
until the motor and the
temperature limiter cool
down. Cool-down time can
be up to 30 minutes. Only
then, switch the unit back
on.
Impeller not
turning. Switch off unit. Ensure that
the impeller is not blocked
by foreign bodies.
Deposits on the
impeller and in
the housing
caused by dust
in the air. Call on the services of a
trained electrician. Install air
filter in the duct system.
Under no circumstances
should the inside of the unit
be cleaned with water or a
high-pressure cleaner.
If the fault still continues or occurs
again, disconnect the fan from the
power supply at all poles.
Let a certified electrician determine
the cause of the fault and eliminate
it.
12. Spare parts
Spare parts: terminal box complete,
operating capacitor and motor/im-
peller set
When ordering spare parts, please provide
the following details:
1. Print no. of these instructions
„RLF.4_06.13_DSW_eli“
2. Rating plate no., on side of rating plate [T]
(

unit,

instructions envelope)
3. Spare parts designation