Mitsubishi FDK15KXZE1 Technical Manual page 116

⑤
Receiver (continued)
Backup button
A backup switch is provided on the receiver section of the panel surface.
When operation from the wireless remote control unit is not possible (due to flat batteries, a mislaid unit, a
unit failure), you can use it as an emergency means. You should operate this switch manually.
1. If pressed while the air-conditioner is in a halt, it will cause the air-conditioner to start operation
in the automatic mode (in the case of cooling only, in the cooling mode). Fan speed: Hi fan,
Temperature setting: 23°C, Louver: horizontal
2. If pressed while the air-conditioner is in operation, it will stop the air-conditioner.
Backup switch
Type 15 - 56
Cooling test run operation
● After safety confirmation, turn on the power.
● Transmit a cooling operation command with the wireless remote control unit, while the backup switch
on the receiver is depressed.
● If the backup switch on the receiver is pressed during a test run, it will end the test run.
● If you cannot operate the unit properly during a test run, please check wiring by consulting with
inspection guides.
NOTE
After over 2 minute from power on, operate the wireless remote control.
The operation is invalid during 2 minute from power on.
How to read the check display
• Check indicator lamp "green lamp (check1)" / "yellow lamp (check2)" shows error code.
• The number of blinking shows the error code and "green lamp (check1)" / "yellow lamp (check2)"
corresponds to tens/ones place.
Type 15 - 56
Green lamp
(check1)
Yellow lamp
(check2)
Display method
Example: For E39
green lamp
1 2 3
(check1)
1 2 3
yellow lamp
(check2)
Backup switch
Type 71, 90
Type 71, 90
4 5 6 7 8 9
10 sec. per cycle
115
– –
'17 • KX-T-264
Green lamp
(check1)
Yellow lamp
(check2)
ON OFF
0.5 s 0.5 s
0.5 s 0.5 s