REMKO MXW 202, Руководство по сборке и эксплуатации

Страница: 29 / 40

10 Troubleshooting and customer service
The unit and components are manufactured using state-of-the-art production methods and tested several
times to verify their correct function. However, if malfunctions should occur, please check the functions as
detailed in the list below. For systems with an indoor unit and outdoor unit, refer to the chapter "Trouble-
shooting and customer service" in both operating manuals. Please inform your dealer if the unit is still not
working correctly after all function checks have been performed!
Operational malfunctions
Malfunction Possible causes Checks Remedial measures
The unit does not
start or switches
itself off.
Another indoor unit is in
heating mode.
Check the mode of the
other indoor units.
Operate all indoor units in
cooling mode or switch
them off.
Power failure, under-
voltage
Does all other electrical
equipment function cor-
rectly?
Check voltage and if nec-
essary wait until turned on
again.
Defective mains fuse /
main switch turned off
Are all lighting circuits func-
tioning correctly?
Replace mains fuse, switch
main switch on
Damaged power supply Does all other electrical
equipment function cor-
rectly?
Repair by specialist firm
Wait time after switching on
is too short
Does a restart occur after
around 5 minutes?
Schedule longer wait times
Operational temperature
range too low or exceeded
Are the fans in the indoor
unit and outdoor unit
working correctly?
Take into account the tem-
perature range for the
indoor unit and outdoor unit
Electrical surges caused by
thunderstorms
Have there been lightning
strikes in the area recently?
Turn the main fuse off and
turn it on again. Have it
inspected by a specialist
Malfunction of the external
condensate pump
Did the pump shut down
due to a fault?
Check and if necessary
clean the pump
The unit does not
respond to the
remote control
Transmission distance too
far / receiver affected by
interference
Does the indoor unit beep
when pressing a key?
Reduce the distance to
less than 6 m or change
position
Defective remote control Is the unit running in
manual mode?
Replace the remote control
Receiver or transmitter unit
exposed to excessive solar
radiation
Does it function correctly in
the shade?
Place the receiver and/or
transmitter unit in the
shade
Electromagnetic fields are
interfering with transmis-
sion
Does it function after
removing potential sources
of interference?
Signal is not transmitted
when interference sources
are operational
Key in remote control
jammed / two buttons
pressed at same time
Does the “Transmitting”
symbol appear on the dis-
play?
Release the key / only
press one key
Batteries in remote control
are flat
Have new batteries been
inserted? Is the display
incomplete?
Insert new batteries
29