REMKO MXD 202 - Manual (Page 37)

Fault Possible cause Checks Remedy
Windows and doors
open. Heating/cooling
loads increased
Have there been any
structural / usage-related
changes?
Close windows and
doors / install additional
units
Neither cooling nor
heating mode has been
set
Does the cooling symbol
appear on the display?
Correct the settings for
the unit
Fins on outdoor compo-
nent blocked by foreign
objects
Is the fan on the outdoor
component running? Are
the fins unobstructed?
Check the fan or winter
controller, reduce the air
resistance
Leaking refrigerant circuit Are there signs of frost
on the fins of the indoor
unit?
Repair by specialist
Outdoor component iced
up
Check outdoor compo-
nent. Has the cassette
sensor on the outdoor
component been cor-
rectly positioned?
De-ice and fit the sensor
at the point where the
most ice forms
Condensation discharge
on unit
Drainage pipe on collec-
tion container clogged /
damaged
Can the condensation
drain off without any
obstruction?
Clean the drainage pipe
and collection container
Faulty external conden-
sation pump or float
Is the collection tray full
of water and the pump
not running?
Call out a specialist to
replace the pump
Condensation has not
drained away and has
collected in the conden-
sation line
Is there a steady fall on
the condensation pipe?
Check there is no
blockage in the pipe
Ensure there is a fall
when laying the conden-
sation pipe and clean the
pipe
Condensation does not
drain off
Are the condensation
lines unblocked and laid
on a slope? Are the con-
densation pump and float
switch functioning cor-
rectly?
The condensation line
must have a fall. If nec-
essary, clean the pipe.
A faulty condensation
pump and float switch
should be replaced
Float is stuck or jammed
due to excessive dirt
Are the LEDs on the
receiver unit of the
indoor unit flashing?
Should be cleaned by
specialist firm
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