{"id":859,"date":"2025-05-10T01:12:19","date_gmt":"2025-05-10T05:12:19","guid":{"rendered":"http:\/\/www.jckhvac.com\/?p=859"},"modified":"2025-07-17T01:05:33","modified_gmt":"2025-07-17T05:05:33","slug":"mitsubishi-air-conditioner-error-codes","status":"publish","type":"post","link":"http:\/\/www.jckhvac.com\/zh\/mitsubishi-air-conditioner-error-codes\/","title":{"rendered":"\u4e09\u83f1\u7a7a\u8c03\u9519\u8bef\u4ee3\u7801"},"content":{"rendered":"
\"\"<\/span>
\n

\u6696\u901a\u7a7a\u8c03\u9519\u8bef\u4ee3\u7801<\/mark><\/strong><\/a><\/h2>\n\n\n\n

\u6587\u7ae0\u91cc\u6709\u4ec0\u4e48\u5185\u5bb9\uff1f<\/p>\n\n\n\n

\u4e09\u83f14\u4f4d\u9519\u8bef\u4ee3\u7801
\u4e09\u83f1\u7a7a\u8c03\u9519\u8bef\u4ee3\u7801
\u4e09\u83f1 Mr. Slim-A \u63a7\u5236\u9519\u8bef\u4ee3\u7801
\u4e09\u83f1 Mr. Slim \u9519\u8bef\u4ee3\u7801<\/p>\n<\/div><\/div>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5305\u62ec\u4e09\u83f1\u5728\u5185\u7684\u7a7a\u8c03\u5236\u9020\u5546\u901a\u5e38\u4f1a\u5728\u5176\u7528\u6237\u624b\u518c\u4e2d\u5217\u51fa\u9519\u8bef\u4ee3\u7801\uff0c\u4f9b\u7528\u6237\u53c2\u8003\u3002\u5982\u679c\u60a8\u7684\u8bbe\u5907\u624b\u518c\u5df2\u4e22\u5931\uff0c\u8bf7\u67e5\u770b\u4e0b\u65b9\u5217\u8868\uff0c\u4e86\u89e3\u5404\u578b\u53f7\u4e09\u83f1\u7a7a\u8c03\u7684\u9519\u8bef\u4ee3\u7801\u3002 Mitsubishi Error Code Lookup<\/a><\/p>\n\n\n\n

\u4e09\u83f14\u4f4d\u9519\u8bef\u4ee3\u7801<\/h2>\n\n\n\n
Error Code Number<\/th>Air Conditioner Fault Description<\/strong><\/td><\/tr>
0403<\/td>Serial communication error<\/td><\/tr>
0900<\/td>Test run<\/td><\/tr>
1102<\/a><\/td>Discharge temperature fault<\/td><\/tr>
1301<\/a><\/td>Low pressure fault<\/td><\/tr>
1302<\/a><\/td>High pressure fault<\/td><\/tr>
1500<\/td>Refrigerant overcharge<\/td><\/tr>
2500<\/a><\/td>Drain sensor submergence<\/td><\/tr>
2502<\/a><\/td>Drain pump fault<\/td><\/tr>
2503<\/a><\/td>Drain sensor fault<\/td><\/tr>
2600<\/a><\/td>Water leak<\/td><\/tr>
4102<\/td>Open phase<\/td><\/tr>
4106<\/td>Transmission power supply fault<\/td><\/tr>
4115<\/td>Power supply signal sync error<\/td><\/tr>
4116<\/td>RPM error\/Motor error<\/td><\/tr>
4220<\/td>Abnormal bus voltage<\/td><\/tr>
4225<\/td>Low bus voltage<\/td><\/tr>
4230\/4260<\/td>Heatsink overheat protection activated<\/td><\/tr>
4240<\/td>Overload protection activated<\/td><\/tr>
4250<\/td>Overcurrent protection activated<\/td><\/tr>
4255<\/td>Outdoor unit fan error<\/td><\/tr>
5101<\/td>Temperature sensor fault<\/td><\/tr>
5102<\/td>Return air thermistor fault<\/td><\/tr>
5110<\/td>Outdoor unit inverter heatsink thermistor error<\/td><\/tr>
5201<\/td>Pressure sensor fault<\/td><\/tr>
5301<\/td>Current sensor fault<\/td><\/tr>
5701<\/td>Loose float switch<\/td><\/tr>
6201<\/td>Remote controller issue<\/td><\/tr>
6600<\/td>Address overlap<\/td><\/tr>
6601<\/td>Polarity setting error<\/td><\/tr>
6602<\/td>Transmission processor hardware error<\/td><\/tr>
6603<\/td>Transmission line busy<\/td><\/tr>
6606<\/td>Communication fault<\/td><\/tr>
6607<\/td>No ACK<\/td><\/tr>
6608<\/td>No response<\/td><\/tr>
6831\/6834<\/td>MA controller signal reception error<\/td><\/tr>
6832\/6833<\/td>MA controller comms fault<\/td><\/tr>
7100<\/td>Total capacity error<\/td><\/tr>
7101<\/td>Capacity code setting error<\/td><\/tr>
7102<\/td>Wrong number of connected units<\/td><\/tr>
7105<\/td>Address setting error<\/td><\/tr>
7106<\/td>Attribute setting error<\/td><\/tr>
7110<\/td>Signal transmission error<\/td><\/tr>
7111<\/td>Remote controller sensor fault<\/td><\/tr>
7113<\/td>Function setting error<\/td><\/tr>
7117<\/td>Model setting error<\/td><\/tr>
7130<\/td>Incompatible unit combination<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mitsubishi Electric Air Conditioner Error Codes<\/h3>\n\n\n\n
Error Code Number and Letter<\/th>Air Conditioner Fault Description<\/strong><\/td><\/tr>
P1<\/td>Intake sensor error<\/td><\/tr>
P2 P9<\/td>Pipe (Liquid or 2-phase pipe) sensor error<\/td><\/tr>
E6 E7<\/td>Indoor\/outdoor unit communication error<\/td><\/tr>
P4<\/td>Drain sensor error<\/td><\/tr>
P5<\/td>Drain pump error<\/td><\/tr>
PA<\/td>Forced compressor error<\/td><\/tr>
P6<\/td>Freezing\/Overheating safeguard operation<\/td><\/tr>
EE<\/td>Communication error between indoor and outdoor units<\/td><\/tr>
P8<\/td>Pipe temperature error<\/td><\/tr>
E4<\/td>Remote controller signal receiving error<\/td><\/tr>
Fb<\/td>Indoor unit control system error (memory error, etc.)<\/td><\/tr>
E0 E3<\/td>Remote controller transmission error<\/td><\/tr>
E1 E2<\/td>Remote controller control board error<\/td><\/tr>
E9<\/td>Indoor\/outdoor unit communication error (Transmitting error) (Outdoor unit)<\/td><\/tr>
UP<\/td>Compressor overcurrent interruption<\/td><\/tr>
U3, U4<\/td>Open\/short of outdoor unit thermistors<\/td><\/tr>
UF<\/td>Compressor overcurrent interruption (When compressor locked)<\/td><\/tr>
U2<\/td>Abnormal high discharging temperature\/49C worked\/insufficient refrigerant<\/td><\/tr>
U1 Ud<\/td>Abnormal high pressure (63H worked)\/Overheating safeguard operation<\/td><\/tr>
U5<\/td>Abnormal temperature of heat sink<\/td><\/tr>
U6<\/td>Compressor overcurrent interruption\/Abnormal of power module<\/td><\/tr>
U7<\/td>Abnormality of superheat due to low discharge temperature<\/td><\/tr>
U8<\/td>Outdoor unit fan safeguard stop<\/td><\/tr>
U9<\/td>UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to the main circuit\/ Current sensor error.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u200d<\/p>\n\n\n\n

\u4e09\u83f1 Mr. Slim-A \u63a7\u5236\u9519\u8bef\u4ee3\u7801<\/h2>\n\n\n\n