Hisense AMW2-18U4RJC Technical & Service Manual page 133

15. TROUBLESHOOTING
Code
When overcurrent occurs, stop the frequency from
101
102 When overcurrent occurs, reduce the frequency.
When the temperature of IPM module is too high,
103
stop the frequency from increasing.
When the temperature of IPM module is too high,
104
When the discharge temperature is too high, stop
105
the frequency from increasing.
When the discharge temperature is too high,
106
In cooling mode, when the temperature of the
107 outdoor unit coil is too high, stop the frequency
In cooling mode, when the temperature of the
108
outdoor unit coil is too high, reduce the frequency.
To prevent the indoor unit from being frozen or high
113
temperature, stop the frequency from increasing.
To prevent the indoor unit from being frozen or high
114
temperature, reduce the frequency.
When DSH exceeds the target value, the
119
valve opening gets wider to adjust the flow.
When DSH exceeds the target value, the
120
valve opening gets narrower to adjust the flow.
When DSH exceeds the target value, stop the
121
valve opening from getting narrower.
When DSH exceeds the target value, stop the
122
valve opening from getting wider.
When the temperature of IPM module is too high,
131
stop the frequency from increasing.
When the temperature of IPM module is too high,
132
When the discharge temperature is too high, stop
134
the valve opening getting narrower.
140
141 The compressor current overloads.
※ DSH: Discharge Super Heat
These codes appearing in the operation process indicate some kind of normal operation state, instead of
faults, so they do not need to be dealt with.
Table 6 Limitation Code
Definitions
increasing.
reduce the frequency.
reduce the frequency.
from increasing.
reduce the frequency.
The compressor overloads.
Current control
Current control
Frequency control to keep appropriate temperature
of IPM module.
Frequency control to keep appropriate temperature
of IPM module.
Frequency control to keep appropriate discharge
Frequency control to keep appropriate discharge
Frequency control to keep appropriate temperature
of the outdoor unit coil in cooling mode.
Frequency control to keep appropriate temperature
of the outdoor unit coil in cooling mode.
Frequency control to keep appropriate temperature
of the indoor unit coil.
Frequency control to keep appropriate temperature
of the indoor unit coil.
Control on expansion valve based on DSH.
Control on expansion valve based on DSH.
Control on expansion valve based on DSH.
Control on expansion valve based on DSH.
Frequency control to keep appropriate temperature
of IPM module.
Frequency control to keep appropriate temperature
of IPM module.
Control on discharge temperature expansion valve.
Control on the compressor output.
Control on the output torque of the compressor.
127
Descriptions
temperature.
temperature.