– 123 –
Trouble detected by central control device
Check code
Wireless remote controller
Check code name
Judging device
Central control
device indication
Outdoor unit 7-segment display
Sensor block display of receiving unit
Auxiliary code
Operation
Timer
Ready
Flash
C05
—
—
—
Sending trouble in central control device
Central control device
C06
—
—
—
Receiving trouble in central control device
Central control device
C12
—
—
—
Batch alarm of general-purpose equipment control interface
General-purpose
equipment I/F
P30
(L20)
Differs according to trouble contents of unit with occurrence of alarm
Group control follower unit trouble
Central control device
—
—
(L20 is displayed.)
• Duplication addresses of indoor units in central control device
• With the combination of air conditioning system, the indoor unit may detect the check code
of L20
S01
—
—
—
Receiving trouble in central control device
Central control device
245-EN
246-EN
Summary of Contents for MMU-UP0091H-E
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