167
16.4.17. J5 Malfunction
Malfunction conditions
If the sampling voltage is not 5V, the LED displays a failure code.
Possible causes
●
Wiring mistakes
●
Faulty overload protector
●
System blockages
●
Faulty outdoor PCB
Are the high pressure
switch and main control
boar wired correctly?
Are the high pressure
switch and main control
boar wired correctly?
Method:
Disconnect the plug.
Measure the resistance of
the
high 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
high pressure protector, if
the protector is normal the
value is o, Does a problem
still exist?
Yes
Yes
Connect high pressure
switch and mian control
board
Connect high pressure
switch and mian control
board
No
Replace high pressure protector
Replace high pressure protector
No
Is the high
pressure protector
broken?
Is the high
pressure protector
broken?
Is the outdoor ambient
temperature is higher than
50
℃?
Is the outdoor ambient
temperature is higher than
50
℃?
No
Stop the unit
Stop the unit
Yes
Check if the outdoor unit
ventilation is good
Check if the outdoor unit
ventilation is good
Yes
Ensure that the outdoor unit
ventilation is functioning properly
Ensure that the outdoor unit
ventilation is functioning properly
Is the heat exchanger dirty?
Is the heat exchanger dirty?
No
Clean the heat exchanger
Clean the heat exchanger
Yes
Check whether the refrigerant
system is functioning properly
Check whether the refrigerant
system is functioning properly
Replace outdoor main
board. Is the problem
resolved?
Replace outdoor main
board. Is the problem
resolved?
No
J5 displayed
J5 displayed
High pressure protection
High pressure protection
Is the outdoor fan running
properly?
Is the outdoor fan running
properly?
please refer to the solution of fan
speed has been out of control
malfunction . Find out the cause and
have it solved.
please refer to the solution of fan
speed has been out of control
malfunction . Find out the cause and
have it solved.
No
Yes
NO
Summary of Contents for KDIP012-H2
Page 8: ...5 2 2 Part names of Indoor Outdoor units Cassette Units ...
Page 9: ...6 KDIR Duct Units ...
Page 10: ...7 KDIP Duct Units ...
Page 11: ...9 Ceiling floor Units ...
Page 12: ...10 HESP DUCT Units ...
Page 19: ...19 2 3 4 7 Outside Water Pump for Optional When Ceiling Installation ...
Page 31: ...33 KSIE024 H220 O KSIR036 H218 inch 37 2 16 1 31 9 40 6 26 5 15 9 ...
Page 34: ...36 Ceiling floor Units ...
Page 39: ...41 KTIR036 H2G1 KTIR048 H2G1 ...
Page 40: ...43 KUIR18 H2 KUIR24 H2 ...
Page 41: ...44 KFUF036 H2G1 KFUF048 H2G1 ...
Page 42: ...45 KFUF060 H2G1 ...
Page 43: ...46 KFUF036 H2G1 KFUF048 H2G1 ...
Page 44: ...47 KDIP090 H2 KDIP012 H2 KDIP018 H2 KDIP24 H2 ...
Page 69: ...74 6 2 Outdoor Unit KSIE018 H220 O KSIE024 H220 O ...
Page 70: ...75 KSIE009 H221 O KSIE012 H220 O ...
Page 71: ...77 KSIR036 H218 ...
Page 77: ...83 KDIR09 H2 Code 0 Code 1 Code 2 Code 3 Code 4 ...
Page 78: ...84 KDIR12 H2 Code 0 Code 1 Code 2 Code 3 Code 4 ...
Page 79: ...85 KDIR18 H2 Code 0 Code 1 Code 2 Code 3 Code 4 ...
Page 80: ...86 KDIR24 H2 Code 0 Code 1 Code 2 Code 3 Code 4 ...
Page 96: ...104 12 Field Wiring 9K 24K 36K 48K 60K ...
Page 97: ...105 ...
Page 147: ...155 P U P V ...
Page 148: ...156 P W P N ...
Page 181: ...191 4 Remove the evaporator fixing clamps to disassemble the evaporator Fixing clamps 1 screw ...
Page 188: ...221 5 Remove the four fixing screws of the fan motor then remove the motor 5 ...