Fault Rectification - Maico ER 60 E Mounting And Operating Instructions

18. 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 accessing 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 output ● Dirty filter.
inadequate. Replace filter.
● Locking hook
engaged.
Engage fan insert correctly.
●
Check diameter of the main
duct, refer to diagram in the
catalogue.
● Supply air cross section
is too small
supply air cross section.
EVZ and EH The power on external
models: conductor L connected to
No fan overrun. terminal 1 is interrupted
when the fan is switched off.
Connect the fan as per the
wiring diagram.
Terminals 1 and 3 are
EVZ and EH
reversed.
models: Fan
Connect the fan as per the
starts up
wiring diagram.
immediately
and
stops
immediately if is
switched-off.
Check whether the fan
Fan doesn't
insert is correctly inserted.
start up
not
Incorrect duct diameter.
. Increase the
Fault Cause, measure
Fan is too loud. ● Dirty filter.
Replace filter.
● Fan insert incorrectly
installed. Insert fan insert
correctly in accordance with
chapter 14.2.
The main duct Re-calculate pressure
is undersized. losses.
H model does A rapid increase in humidity
not switch from was not reached within the
base load to full specified 2 minutes. The
load operation reference value is reset.
despite there
being moisture
in the room.
H mode no If the humidity control is
longer switches active for 1 hour, the fan
back to base switches off. The reference
load operation value is reset.
or off even after
a long period in
full load
operation.
Additional Damage to the unit if
consumers connected incorrectly.
connected to Do not connect additional
consumers
terminal 4.
to terminal 4.
The unit may only be
connected according to the
wiring diagrams in chap. 22.
If the fault persists or reoccurs:
Disconnect the fan completely from
the mains power supply. Let a
trained electrician determine the
cause of the fault and eliminate it.
If you have any question relating
to troubleshooting:
Service: +49 7720 6940.
18. Fault rectification
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