Troubles And Solutions - Midea MFE-60ARN1-RB4W Service Manual

Trouble
Trouble
Trouble
Trouble
Open- or short-circuit of T3 temperature sensor
Trouble
Open- or short-circuit of T4 or T5 temperature sensor or
Trouble
Trouble High temperature protection of condenser
Note: When the machine stands by, LED1- LED3 flashes in low speed.

9.3 Troubles and solutions

Before calling for service, please review the following list of common problems and
solutions.
Problem Possible Cause
Unit Idleness No electric power supply
Power Switch turned off
Fuse blew
Air flow but poo Improper temperature setting
r cooling (heatin
g)
The air -filter blocked
Air inlet/outlet blocked
Windows/door are open
Air flow but no The air inlet/outlet of indoor/outdoor
cooling (heating)
Too much dust or dirt on the air-
filter
Lack of phase(C)
Protection of low pressure
Overload of current
Communication malfunction
p
rotection of high pressure
unit are blocked up by something
Solutions
Wait for power recovery
Turn on the switch
Replace the fuse
Readjust the temp. to a lo
wer degree. See 'OPERAT
IONS' for details
Clean the air- filter
Clear the air inlet/outlet
Close windows/door
Remove the obstacles whi
ch blocks the air inlet/outl
et
Clean the air-filter
42
Off Off Off
Flash Flash Off
Off Off Flash
Flash Off Flash
Off Flash Flash
Off Flash Off
Flash Flash Flash