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16.4.5 Refrigerant Leakage Detection diagnosis and solution (EC)
Error Code
EC
Malfunction conditions
Define the evaporator coil temperature T2 of the compressor
starts running as Tcool.
If the following occurs 3 times, the display shows "EC" and the
unit switches off:
In the first 8 minutes after the compressor starts up, if T2
<
Tcool
-
2
℃
is not maintained for 4 seconds and compressor
running frequency is not higher than 50Hz for 3 minutes
Potential Causes
●
Faulty T2 sensor
●
Faulty indoor PCB
●
System problems, such as leakage or blockages
Trouble shooting:
Is there cool air blowing
out from indoor air outlet?
Yes
Yes
Check the T2
sensor. Is it
securely attached?
No
Check system for leakages.
Are any leakages present?
No
Power off, then restart the
unit 2 minutes later. Does a
problem still remain?
Replace the indoor
PCB
Yes
Repair the leakage and
recharge the refrigerant
Yes
Check System for blockages
and clear blockages if present
Содержание KDIP012-H2
Страница 8: ...5 2 2 Part names of Indoor Outdoor units Cassette Units ...
Страница 9: ...6 KDIR Duct Units ...
Страница 10: ...7 KDIP Duct Units ...
Страница 11: ...9 Ceiling floor Units ...
Страница 12: ...10 HESP DUCT Units ...
Страница 19: ...19 2 3 4 7 Outside Water Pump for Optional When Ceiling Installation ...
Страница 31: ...33 KSIE024 H220 O KSIR036 H218 inch 37 2 16 1 31 9 40 6 26 5 15 9 ...
Страница 34: ...36 Ceiling floor Units ...
Страница 39: ...41 KTIR036 H2G1 KTIR048 H2G1 ...
Страница 40: ...43 KUIR18 H2 KUIR24 H2 ...
Страница 41: ...44 KFUF036 H2G1 KFUF048 H2G1 ...
Страница 42: ...45 KFUF060 H2G1 ...
Страница 43: ...46 KFUF036 H2G1 KFUF048 H2G1 ...
Страница 44: ...47 KDIP090 H2 KDIP012 H2 KDIP018 H2 KDIP24 H2 ...
Страница 69: ...74 6 2 Outdoor Unit KSIE018 H220 O KSIE024 H220 O ...
Страница 70: ...75 KSIE009 H221 O KSIE012 H220 O ...
Страница 71: ...77 KSIR036 H218 ...
Страница 77: ...83 KDIR09 H2 Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 78: ...84 KDIR12 H2 Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 79: ...85 KDIR18 H2 Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 80: ...86 KDIR24 H2 Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 96: ...104 12 Field Wiring 9K 24K 36K 48K 60K ...
Страница 97: ...105 ...
Страница 147: ...155 P U P V ...
Страница 148: ...156 P W P N ...
Страница 174: ...184 4 Remove the evaporator support board 5 Screw off the fixing screws to remove the evaporator 4 screws 1 screw ...
Страница 181: ...191 4 Remove the evaporator fixing clamps to disassemble the evaporator Fixing clamps 1 screw ...
Страница 188: ...221 5 Remove the four fixing screws of the fan motor then remove the motor 5 ...
Страница 201: ...234 6 Remove the grounding screw 7 Remove the Wires 1 2 3 or L1 L2 S Then remove the electronic control box 7 5 ...