49
CHECK CODES AND PARTS TO BE CHECKED
Check Method
On the remote control (Wired remote control, Central control remote control) and the interface P.C. board of the outdoor
unit (I/F), a check display LCD (Remote control) or 7- segment display (on the outdoor interface P.C. board) to display the
operation is provided. Therefore, the operation status can be known. With this self- diagnosis function, a trouble or position
with error of the unit can be found as shown in the table below.
Check Code List
The following list shows each check code. Find the check contents from the list according to part to be checked.
S To check from indoor remote control: See “Wired remote control display” in the list.
S To check from outdoor unit: See “Outdoor 7- segment display” in the list.
S To check from indoor unit with a wireless remote control: See “Sensor block display of receiving unit” in the list.
Legend
IPDU : Intelligent Power Drive Unit
Lighting Flashing Goes Off
ALT : Flas hing is alternately when there are two flashing LED.
SIM : Simultaneous flashing when there are two flashing LED.
Table 28 – Check Code 1
40QQ
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