Filter
Top Products
- 65 -
START
POWER ON
52C1 ON
MC1 OPERATE
MF2
OPERATE
52C2 ON
MC2 OPERATE
MF3
OPERATE
COOL MODE?
LCD controller
COMP ON?
NO
YES
NO
YES
PASS THE 3 MIN?
NO
YES
30FZ,30CZ1,2 ON (SELF HOLD)
FZ ON
YES
52F1 ON
MF1 OPERATE
HZ1,2 ON
21S4-1,2 ON
T1,T2 ON
CZ1-2,CZ2-2 ON
TIMER 2 ON
NO
CH1,2 ON
LCD controller
ON?
CZ1-1,CZ2-1 ON
CH 1 OFF
CH 1 OFF
CH 2 OFF
52C2 ON
MC2 OPERATE
MF3
OPERATE
NO
YES
CH 2 OFF
No.1 SAFETY
DEVICE OFF?
YES
SERVICE CALL
NO
30CZ1 OFF
52C1 OFF
MC1 STOP
MF2 STOP
CH1 ON
No.2 SAFETY
DEVICE OFF?
YES
NO
30CZ2 OFF
52C2 OFF
MC2 STOP
MF3 STOP
CH2 ON
No.1 SAFETY
DEVICE OFF?
YES
SERVICE CALL
NO
30CZ1 OFF
52C1 OFF
MC1 STOP
MF2 STOP
CH1 ON
No.2 SAFETY
DEVICE OFF?
YES
NO
30CZ2 OFF
52C2 OFF
MC2 STOP
MF3 STOP
CH2 ON
52C1 ON
MC1 OPERATE
MF2
OPERATE
NO
YES
CZ1-1,CZ2-1 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.
PASS THE 3 MIN?
CZ1-2,CZ2-2 ON
TIMER 2 ON
PASS
THE 30 MIN ON?
(T2)
PASS
THE 15 MIN ON?
(T4)
YES
X2 ON (SELF HOLD)
T4 ON
X4 ON
X4 OFF
X2 OFF
T4 OFF
21S42, T2 ON
MF3 OPERATE
21S42 OFF
T2 OFF
MF3 STOP
X3 ON?
YES
YES
YES
PASS
THE 30 MIN ON?
(T1)
YES
X1 ON (SELF HOLD)
T3 ON
X3 ON
X3 OFF
X1 OFF
T3 OFF
21S41, T1 ON
MF2 OPERATE
21S41 OFF
T1 OFF
MF2 STOP
NO NO
NO NO
X4 ON?
YES
YES
YES
YES
NO
NO
NO
NO
NO
26D1 ON?
Condensing
temp.
26D2 ON?
YES
NO
PASS
THE 15 MIN ON?
(T3)
-4±1.5˚C
Condensing
temp.
-4±1.5˚C
LCD controller
COMP ON?
26D1 OFF?
Condensing
temp.
26±1.5˚C
High
pressure
2.16MPa
or
63H2-1 OFF?
26D2 OFF?
Condensing
temp.
26±1.5˚C
High
pressure
2.16MPa
or
63H2-2 OFF?
PEH-15,20MYA-EU