REMKO MXW 202 - Manual (Page 33)

Malfunction Possible causes Checks Remedial measures
The unit is running
but only provides
reduced or no
cooling or heating
capacity.
Filter is dirty / air inlet /
outlet opening is blocked
by debris.
Have the filters been
cleaned?
Clean the filters
Windows and doors open.
Heating / cooling load has
increased
Have structural / usage
modifications been made?
Close windows and doors /
install additional units
Neither cooling nor heating
mode has been set
Is the "Cooling"/"Heating"
symbol shown on the dis-
play?
Correct the settings for the
unit
Fins on outdoor unit
blocked by foreign objects
Is the fan on the outdoor
component running? Are
the fins unobstructed?
Check the fan or winter fan
speed control, reduce the
air resistance
Leaking cooling cycle Are there signs of frost on
the exchanger fins of the
indoor unit?
Repair by specialist
Condensate dis-
charge on unit
Drainage pipe on collection
container clogged / dam-
aged
Can the condensate drain
off without any obstruction?
Clean the drainage pipe
and collection container
Faulty external condensate
pump or float
Is the collection tray full of
water and the pump not
running?
Call out a specialist to
replace the pump
Condensate has not
drained away and has col-
lected in the condensate
drainage line
Is there an incline on the
condensate drainage line?
Check there is no blockage
in the pipe.
Ensure there is an incline
when laying the conden-
sate drainage line and
clean the pipe.
Condensate does not drain
off
Are the condensate
drainage lines unblocked
and is there a steady
incline? Are the conden-
sate pump and liquid level
switch functioning cor-
rectly?
Route the condensate
drainage line with an
incline and clean it. If the
liquid level switch or the
condensate pump is defec-
tive, have them replaced.
Leaking cooling cycle Are there signs of frost on
the exchanger fins of the
indoor unit?
Repair by specialist
33