Mark HCNI 533, Техническое руководство

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8.5 Quick maintenance by error code
If you do not have the time to test whether specific parts are faulty, you can directly change the
required parts according to the error code. You can find the parts to replace by error code in the
following table.
Part requiring replacement
Error code
E0 E1 E2 E4 E4 E5 E7/Eb EC F0
EH 00 EL 01 EH 02 EH 03 EH 60 EH 61 EH 0B EL 0C PC 08
Indoor PCB
P P P P P P P P
x
Outdoor PCB x
P
x x x x x x
P
Display board x x x x x x
P
x x
Indoor fan motor x x x
P
x x x x x
T1 sensor x x x x
P
x x x x
T2 Sensor x x x x x
P
x
P
x
Reactor x
P
x x x x x x x
Compressor x x x x x x x x
P
Additional refrigerant x x x x x x x
P
x
Part requiring replacement
Error code
F1 F2 F3 F4 F5 P0 P1 P2 P6 P4
EC 53 EC 52 EC 54 EC 51 EC 07 PC 00 PC 01 PC 02 PC 03 PC 04
Indoor PCB x x x x x x x x x x
Outdoor PCB
P P P P P P P P P P
Indoor fan motor x x x x x x x x x x
Outdoor fan motor x x x x
P P
x
P
x
P
T3 Sensor x
P
x x x x x x x x
T4 Sensor
P
x x x x x x x x x
TP Sensor x x
P
x x x x x x x
Reactor x x x x x x
P
x x x
Compressor x x x x x
P
x x x
P
IPM module board x x x x x
P P P P
x
High pressure protector x x x x x x x
P
x x
Low pressure protector x x x x x x x x
P
x
Additional refrigerant x x x x x x x x
P
x
Note: For certain models, outdoor PCB could not be removed separately. In this case, the outdoor
electric control box should be replaced as a whole.