Error Codes [5103,5104,5105,5106,5107,5109,5111,5112] - Mitsubishi Electric PURY-P200YLM-A(1) Service Handbook

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[7-7 Error Code Definitions and Solutions: Codes [5000 - 5999] ]
7-7-2

Error Codes [5103,5104,5105,5106,5107,5109,5111,5112]

1. Error code definition
5103
Heat exchanger outlet temperature sensor (TH3) fault (Outdoor unit)
5104
Discharge temperature sensor (TH4) fault (Outdoor unit)
5105
Accumulator inlet temperature sensor (TH5) fault (Outdoor unit)
5106
Heat exchanger inlet temperature sensor (TH6) fault (Outdoor unit)
5107
Outside temperature sensor (TH7) fault (Outdoor unit)
5109
Continuous heating temperature sensor (TH9) fault (outdoor unit)
5111
Continuous heating temperature sensor (TH11) fault (outdoor unit)
5112
Continuous heating temperature sensor (TH12) fault (Outdoor unit)
2. Error definition and error detection method
When a short (high temperature intake) or an open (low temperature intake) of the thermistor is detected (the first detection),
the outdoor unit stops, turns to anti-restart mode for 3 minutes, and restarts when the detected temperature of the thermistor.
When a short or an open is detected again (the second detection) after the first restart of the outdoor unit, the outdoor unit
stops, turns to anti-restart mode for 3 minutes, and restarts in 3 minutes when the detected temperature is within the normal
range.
When a short or an open is detected again (the third detection) after the previous restart of the outdoor unit, the outdoor unit
makes an error stop.
When a short or an open of the thermistor is detected just before the restart of the outdoor unit, the outdoor unit makes an
error stop, and the error code "5102", "5103", 5104", "5105", "5106"or "5107", "5109" or "5111" or "5112" will appear.
During 3-minute antirestart mode, preliminary errors will be displayed on the LED display.
A short or an open described above is not detected for 10 minutes after the compressor start, during defrost mode, or for 3
minutes after defrost mode.
HWE1314A
- 255 -
GB
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