Troubleshooting for the Daikin Emura
Before making an inquiry or a request for repair, please check the following. If the problem persists, please contact us!
Not a Problem
Double Check Before Requesting Repairs
The air conditioner does not operate
Case |
Description/What to Check | |
---|---|---|
Multi-monitor lamp is off. |
|
|
Multi-monitor lamp is blinking. |
|
The air conditioner suddenly stops operating
Case | Description / what to check | |
---|---|---|
Multi-monitor lamp is on. |
|
|
Multi-monitor lamp is blinking. |
|
The air conditioner does not stop operating
Case | Description / what to check | |
---|---|---|
The air conditioner continues operating even after operation is stopped. |
Immediately after the air conditioner is stopped
While the air conditioner is not in operation
|
The room does not cool down / warm up
Case | Description / what to check | |
---|---|---|
Air does not come out. |
In HEAT operation
When the air conditioner operates immediately after the circuit breaker is turned on
|
The room does not cool down / warm up
Case | Description / what to check | |
---|---|---|
Air does not come out / Air comes out. |
Is the airflow rate setting appropriate?
Is the set temperature appropriate? Is the adjustment of the airflow direction appropriate? |
|
Air comes out. |
|
Mist comes out
Case | Description / what to check | |
---|---|---|
Mist comes out of the indoor unit. |
|
Remote controller
Case | Description / what to check | |
---|---|---|
The unit does not receive signals from the remote controller or has a limited operating range. | The batteries may be exhausted.
|
|
LCD is faint, is not working, or the display is erratic. | The batteries may be exhausted.
|
|
Other electric devices start operating. |
|
Air has an odor
Case | Description / what to check | |
---|---|---|
The air conditioner gives off an odor. |
|
Upper and lower front panels
Case | Description / what to check | |
---|---|---|
Upper and lower front panels do not open. (Multi-monitor lamp is blinking.) |
|
|
Upper front panel does not close completely. |
|
|
If the upper and lower front panels are closed while the air conditioner is in operation, the air conditioner will stop operating and the multi-monitor lamp will blink. |
|
Others
Case | Description / what to check | |
---|---|---|
The air conditioner suddenly starts behaving strangely during operation. |
|
|
HEAT operation cannot be selected, even though the unit is heat pump model. |
|
|
The ON/OFF TIMER does not operate according to the settings. |
|
Notes on the operating conditions
If operation continues under any conditions other than those listed in the table,
- A safety device may activate to stop the operation. (With a multi connection in COOL operation, the safety device may work to stop the operation of the outdoor unit only.)
- Dew may form on the indoor unit and drip from it when COOL or DRY operation is selected.
Mode | Operating Conditions |
---|---|
Cool/Dry |
Outdoor temperature:
Indoor temperature: 64-90°F (18-32°C) |
Heat |
Outdoor temperature:
Indoor temperature: 50-86°F (10-30°C) |
Contact us immediately if:
When an abnormality (such as a burning smell) occurs, stop operation and turn off the circuit breaker.
- Continued operation in an abnormal condition may result in problems, electric shock or fire.
- Consult the dealer where you bought the air conditioner.
Do not attempt to repair or modify the air conditioner by yourself.
- Incorrect work may result in electric shock or fire.
- Consult the dealer where you bought the air conditioner.
If one of the following symptoms takes place, call us immediately:
- The power cord is abnormally hot or damaged.
- An abnormal sound is heard during operation.
- The circuit breaker cuts off the operation frequently.
- A switch or a button often fails to work properly.
- There is a burning smell.
- Water leaks from the indoor unit.
After a power failure
- The air conditioner automatically resumes operation in about 3 minutes. Please wait for a while.
Lightning
- If there is a risk lightning could strike in the neighborhood, stop operation and turn off the circuit breaker to protect the system.
Fault diagnosis by remote controller
- When CANCEL is held down for about 5 seconds, "00” blinks in the temperature display section.
- Press CANCEL repeatedly until a long beep is produced.
CODE | MEANING |
---|---|
SYSTEM | |
00 | NORMAL |
U0 | REFRIGERANT SHORTAGE |
U2 | OVER-VOLTAGE DETECTION |
U4 | SIGNAL TRANSMISSION ERROR (BETWEEN INDOOR AND OUTDOOR UNIT) |
INDOOR UNIT | |
A1 | INDOOR UNIT PCB ABNORMALITY |
A5 | FREEZE-UP PROTECTION OR HEATING PEAK-CUT CONTROL |
A6 | FAN MOTOR (DC MOTOR) ABNORMALITY |
C4 | INDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY |
C7 | FRONT PANEL OPEN /CLOSE FAULT |
C9 | ROOM TEMPERATURE THERMISTOR ABNORMALITY |
OUTDOOR UNIT | |
EA | FOUR WAY VALVE ABNORMALITY |
E1 | OUTDOOR UNIT PCB ABNORMALITY |
E5 | OL ACTIVATION (COMPRESSOR OVERLOAD) |
E6 | COMPRESSOR LOCK |
E7 | DC FAN LOCK |
F3 | DISCHARGE PIPE TEMPERATURE CONTROL |
H0 | COMPRESSOR SYSTEM SENSOR ABNORMALITY |
H6 | POSITION SENSOR ABNORMALITY |
H8 | DC VOLTAGE / CURRENT SENSOR ABNORMALITY |
H9 | OUTDOOR TEMPERATURE THERMISTOR ABNORMALITY |
J3 | DISCHARGE PIPE THERMISTOR ABNORMALITY |
J6 | OUTDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY |
L4 | RADIATION FIN TEMPERATURE RISE |
L5 | OUTPUT OVERCURRENT DETECTION |
P4 | RADIATION FIN THERMISTOR ABNORMALITY |