2.
TROUBLESHOOTING
Table 5 Limitation Code
C
ode
Definitions
Description
s
101
When overcurrent occurs, stop the frequency from
increasing.
Current control
102
When overcurrent occurs, reduce the frequency.
Current control
103
When the temperature of IPM module is too high,
stop the frequency from increasing.
Frequency control to keep appropriate temperature
of IPM module.
104
When the temperature of IPM module is too high,
reduce the frequency.
Frequency control to keep appropriate temperature
of IPM module.
105
When the discharge temperature is too high, stop
the frequency from increasing.
Frequency control to keep appropriate discharge
temperature.
106
When the discharge temperature is too high,
reduce the frequency.
Frequency control to keep appropriate discharge
temperature.
107
In cooling mode, when the temperature of the
outdoor unit coil is too high, stop the frequency
from increasing.
Frequency control to keep appropriate temperature
of the outdoor unit coil in cooling mode.
108
In cooling mode, when the temperature of the
outdoor unit coil is too high, reduce the frequency.
Frequency control to keep appropriate temperature
of the outdoor unit coil in cooling mode.
113
To prevent the indoor unit from being frozen or high
temperature, stop the frequency from increasing.
Frequency control to keep appropriate temperature
of the indoor unit coil.
114
To prevent the indoor unit from being frozen or high
temperature, reduce the frequency.
Frequency control to keep appropriate temperature
of the indoor unit coil.
119
When DSH exceeds the target value, the
valve opening gets wider to adjust the flow.
Control on expansion valve based on DSH.
120
When DSH exceeds the target value, the
valve opening gets narrower to adjust the flow.
Control on expansion valve based on DSH.
121
When DSH exceeds the target value, stop the
valve opening from getting narrower.
Control on expansion valve based on DSH.
122
When DSH exceeds the target value, stop the
valve opening from getting wider.
Control on expansion valve based on DSH.
131
When the temperature of IPM module is too high,
stop the frequency from increasing.
Frequency control to keep appropriate temperature
of IPM module.
132
When the temperature of IPM module is too high,
reduce the frequency.
Frequency control to keep appropriate temperature
of IPM module.
134
When the discharge temperature is too high, stop
the valve opening getting narrower.
Control on discharge temperature expansion valve.
140
The compressor overloads.
Control on the compressor output.
141
The compressor current overloads.
Control on the output torque of the compressor.
※
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.
3
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