Mitsubishi Electric PUHY-M200YNW-A1 Service Handbook page 160

Chapter 7 Troubleshooting Using Error Codes
7-1 Error Code and Preliminary Error Code Lists .................................................................................... 1
7-2 Error Code Definitions and Solutions: Codes [0 - 999] ..................................................................... 8
7-2-1 Error Code [0403] ................................................................................................................................... 8
7-2-2 Error Code [0404] ................................................................................................................................... 9
7-3 Error Code Definitions and Solutions: Codes [1000 - 1999] ........................................................... 10
7-3-1 Error Code [1102] ................................................................................................................................. 10
7-3-2 Error Code [1301] ................................................................................................................................. 11
7-3-3 Error Code [1302] (during operation) .................................................................................................... 12
7-3-4 Error Code [1302] (at startup) ............................................................................................................... 13
7-3-5 Error Code [1500] ................................................................................................................................. 13
7-4 Error Code Definitions and Solutions: Codes [2000 - 2999] ........................................................... 14
7-4-1 Error Code [2500] (Models with a drain sensor) ................................................................................... 14
7-4-2 Error Code [2500] (Models with a float switch) ..................................................................................... 15
7-4-3 Error Code [2501] (Water pump fault)................................................................................................... 16
7-4-4 Error Code [2502] (Models with a drain sensor) ................................................................................... 17
7-4-5 Error Code [2502] (Models with a float switch) ..................................................................................... 18
7-4-6 Error Code [2503] ................................................................................................................................. 19
7-4-7 Error Code [2512] (Control valve failure) (Indoor unit).......................................................................... 20
7-4-8 Error Code [2519] ................................................................................................................................. 20
7-4-9 Error Code [2520] ................................................................................................................................. 21
7-4-10 Error Code [2600] ................................................................................................................................. 22
7-4-11 Error Code [2601] ................................................................................................................................. 22
7-5 Error Code Definitions and Solutions: Codes [3000 - 3999] ........................................................... 23
7-5-1 Error Code [3121] ................................................................................................................................. 23
7-5-2 Error Code [3511] ................................................................................................................................. 24
7-5-3 Error Code [3512] ................................................................................................................................. 25
7-6 Error Code Definitions and Solutions: Codes [4000 - 4999] ........................................................... 26
7-6-1 Error Code [4102] ................................................................................................................................. 26
7-6-2 Error Code [4106] ................................................................................................................................. 27
7-6-3 Error Code [4109] ................................................................................................................................. 27
7-6-4 Error Code [4114] ................................................................................................................................. 28
7-6-5 Error Code [4115] Detail Code 101, 102............................................................................................... 29
7-6-6 Error Code [4116] ................................................................................................................................. 30
7-6-7 Error Code [4121] ................................................................................................................................. 30
7-6-8 Error Code [4124] ................................................................................................................................. 31
7-6-9 Error Code [4129] Detail Code 101....................................................................................................... 32
7-6-10 Error Code [4129] Detail Code 102....................................................................................................... 32
7-6-11 Error Code [4130] ................................................................................................................................. 33
7-6-12 Error Code [4131] ................................................................................................................................. 34
7-6-13 Error Codes [4220, 4225, 4226] Detail Code 108................................................................................. 35
7-6-14 Error Codes [4220, 4225, 4226] Detail Code 109................................................................................. 37
7-6-15 Error Code [4220] Detail Code 110....................................................................................................... 37
7-6-16 Error Codes [4220, 4225, 4226] Detail Code 111, 112......................................................................... 38
7-6-17 Error Code [4220] Detail Code 123....................................................................................................... 38
7-6-18 Error Code [4220] Detail Code 129....................................................................................................... 39
7-6-19 Error Codes [4220, 4225, 4226] Detail Code 131................................................................................. 39
7-6-20 Error Code [4228] Detail Code 101....................................................................................................... 40
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