133
16.3.18. J6 Malfunction
Malfunction conditions
If the sampling voltage is not 5V, the LED displays a failure code.
Possible causes
●
Wiring mistake
●
Faulty over load protector
●
System blockages
●
Faulty outdoor PCB
J6 displayed
J6 displayed
Low pressure protection
Low pressure protection
Are the low pressure
protector and main control
board wired properly?
Are the low pressure
protector and main control
board wired properly?
Method: Disconnect the plug.
Measure the resistance of the
low pressure protector. If the
protector is normal the value is
o. Does a problem still exist?
Method: Disconnect the plug.
Measure the resistance of the
low pressure protector. If the
protector is normal the value is
o. Does a problem still exist?
Yes
Yes
Reconnect the low pressure
protector and main control
board
Reconnect the low pressure
protector and main control
board
Replace outdoor main board.
Does a problem still exist?
Replace outdoor main board.
Does a problem still exist?
No
Replace low pressure protector
Replace low pressure protector
No
Is the low
pressure protector
broken?
Is the low
pressure protector
broken?
Is the outdoor ambient
temperature too low?
Is the outdoor ambient
temperature too low?
No
Stop the unit
Stop the unit
Yes
Open the valve core of the
high pressure valve
Open the valve core of the
high pressure valve
No
Is the valve core of the
high p
ressure
valve fully
opened?
Is the valve core of the
high p
ressure
valve fully
opened?
Is the indoor fan running
properly in cooling mode?
Is the indoor fan running
properly in cooling mode?
Refer to the solution to the malfunction
of fan speed being out of control. Find
the cause and resolve the problem.
Refer to the solution to the malfunction
of fan speed being out of control. Find
the cause and resolve the problem.
No
Yes
Yes
No
Check whether the refrigerant
system is functioning properly.
Check whether the refrigerant
system is functioning properly.
When the lvel of refrigerant is not
sufficient, doe the system function
properly after more refrigerant is
added?
When the lvel of refrigerant is not
sufficient, doe the system function
properly after more refrigerant is
added?
No
Содержание CCA3U-09HRFN1-MC
Страница 8: ...5 2 2 Part names of Indoor Outdoor units Cassette Units ...
Страница 9: ...6 A5 Duct Units A6 Duct Units ...
Страница 10: ...7 Console Units ...
Страница 11: ...8 Ceiling floor Units ...
Страница 12: ...9 HESP DUCT Units ...
Страница 31: ...28 Console Units 16 Drain pipe 195 Hanging arm Unit mm 700 600 210 ...
Страница 38: ...35 Console Units Ceiling floor Units ...
Страница 43: ...40 CFAU 09HRFN1 M C CFAU 12HRFN1 M C MCD 36HRFN1 M C MCD 48HRFN1 M D ...
Страница 44: ...41 CTBU 36HWFN1 M C CTBU 48HWFN1 M C ...
Страница 45: ...42 MUEU 18HRFN1 M C MUEU 24HRFN1 M C MUE 36HRFN1 M C ...
Страница 46: ...43 MUE 48HRFN1 M C MUE 60HRFN1 MW ...
Страница 47: ...44 MUE 36HRFN1 M C MUE 48HRFN1 M C ...
Страница 48: ...45 MUE 60HRFN1 MW MTI 18HWFN1 MT0W MTIU 24HWFN1 MW ...
Страница 49: ...46 MTIU 36HWFN1 MW MTIU 48HWFN1 MW MHG 60HWFN1 MW ...
Страница 51: ...48 MOBA30 09HFN1 MT0W MOB30 12HFN1 MT0W ...
Страница 52: ...49 MOD30 24HFN1 MT0W MOD01 23HFN1 MT0W ...
Страница 53: ...50 MOD30U 36HFN1 M ...
Страница 59: ...56 CTBU 09HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 60: ...57 CTBU 12HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 61: ...58 CTBU 18HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 62: ...59 CTBU 24HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 63: ...60 CTB 36HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 64: ...61 CTB 48HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 74: ...71 12 Field Wiring 36K 48K 60K ...
Страница 123: ...120 P U P V ...
Страница 124: ...121 P W P N ...
Страница 141: ...138 ...
Страница 151: ...148 4 Remove the evaporator support board 5 Screw off the fixing screws to remove the evaporator 4 screws 1 screw ...
Страница 187: ...184 5 Remove the four fixing screws of the fan motor then remove the motor 5 ...
Страница 200: ...197 6 Remove the grounding screw 7 Remove the Wires 1 2 3 or L1 L2 S Then remove the electronic control box 7 ...