emmeti XECO Série Manuel D'installation page 60

9. MALFUNCTION
Malfunction
NO
Name
Abnormal current
45
detection unit complete
46 Abnormal four-way valve
Anomaly signal
47 Motor Control
indoor unit
Anomaly from zero
48
crossing of outdoor unit
49 defrosting
60
Display Method of Indoor Unit
Indicator Display ((during
blinking, ON 0.5s and OFF 0.5s)
Display
RUN
COOL
OFF 3s
and blink
U5
13
times
OFF 3s
and blink
U7
20
times
OFF 3s
and blink
U8
17
times
OFF 3s
and blink
U9
18
times
A/C status
HEAT
Cooling and dehumidification:
compressor and outdoor fan stops
while the indoor fan continues to run.
Heating: the entire unit stops.
Cooling and dehumidification:
compressor and outdoor fan stops
while the indoor fan continues to run.
Heating: the entire unit stops.
The entire unit stops
Cooling and dehumidification:
compressor and outdoor fan stops
while the indoor fan continues to run.
Heating: the entire unit stops.
OFF 3s
and blink
20 The compressor continues to work
while the indoor fan stops.
times
(blink of
10s)
GB GB
Possible Causes
1. Voltage between L and N on the
terminal;
2. Electronic board damaged.
1. Supply voltage less than 175 V AC;
2. Four-way valve wiring loose or
sliced ;
3. Four-way valve damaged.
4. Electronic board damaged
1 Wiring the motor or loose sliced
2 Indoor unit electronic card damaged
Electronic board damaged
Normal operation during the heating
mode.