Trouble detected by central control device
Check code
Outdoor unit 7-segment display
Central control
device indication
C05
—
C06
—
C12
—
P30
(L20)
—
S01
—
237-EN
Wireless remote controller
Sensor block display of receiving unit
Auxiliary code
Operation
Timer
—
—
—
Differs according to trouble contents of unit with occurrence of alarm
—
—
– 119 –
Ready
Flash
—
Sending trouble in central control device
—
Receiving trouble in central control device
—
Batch alarm of general-purpose equipment control interface
Group control follower unit trouble
• Duplication addresses of indoor units in central control device
(L20 is displayed.)
• With the combination of air conditioning system, the indoor unit may detect the check code
of L20
—
Receiving trouble in central control device
Check code name
Judging device
Central control device
Central control device
General-purpose
equipment I/F
Central control device
Central control device
238-EN