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START
POWER ON
52C1 ON
MC1 OPERATE
MF2
OPERATE
LCD controller
COMP ON?
No.1 SAFETY
DEVICE OFF?
NO
PASS THE 3 MIN?
NO
YES
YES
30FZ,30CZ1,2 ON (SELF HOLD)
SERVICE CALL
FZ ON
YES
52F1 ON
MF1 OPERATE
52C2 ON
MC2 OPERATE
NO
NO
30CZ1 OFF
CH1,2 ON
CZ1-1,CZ2-1 ON
CH 1 OFF
CZ1-2,CZ2-2 ON
TIMER 2 ON
52C1 OFF
MC1 STOP
MF2 STOP
CH1 ON
CH2 OFF
No.2 SAFETY
DEVICE OFF?
YES
NO
30CZ2 OFF
52C2 OFF
MC2 STOP
MF2 STOP
CH2 ON
START
POWER ON
52C1 ON
MC1 OPERATE
MF2
OPERATE
No.1 SAFETY
DEVICE OFF?
NO
PASS THE 3 MIN?
NO
YES
YES
30FZ,30CZ1,2 ON (SELF HOLD)
SERVICE CALL
FZ ON
YES
52F1 ON
MF1 OPERATE
52C2 ON
MC2 OPERATE
MF3 OPERATE
NO
NO
30CZ1 OFF
CH1,2 ON
CZ1-1,CZ2-1 ON
CH 1 OFF
CZ1-2,CZ2-2 ON
TIMER 2 ON
52C1 OFF
MC1 STOP
MF2,3 STOP
CH1 ON
CH2 OFF
No.2 SAFETY
DEVICE OFF?
YES
NO
30CZ2 OFF
52C2 OFF
MC2 STOP
MF2,3 STOP
CH2 ON
Note:
When the fault of outdoor unit is occurred, the fan(MF1) of indoor unit continues to work.
But the unit doesn’t work correctly (not cooling ).
Then, turn off the power supply and check outdoor unit.
When the fault of indoor unit is occurred, both indoor unit and outdoor unit is stop.
LCD controller
COMP ON?
LCD controller
ON?
LCD controller
ON?
PE-15MYC1-EU PE-20MYC-EU