31
Failed startup of the
compressor
1.The overcurrent relay
tripped off and the fuse was
burnt out.
2.The control circuit was
open.
3.There is no current.
4.Low/high pressure
protection.
5.The contact coils is burnt
out.
6.The water flow is open-
circuited.
7.The wireless controller
raised the alarm signal.ON/
OFF time setting by the
wireless controll is incorrect.
8.The sensed temperature
exceeded the rated.
1.Replace it.
2.Check wiring of the control
system.
3.Check the power supply.
4.See corresponding
statement above.
5.Replace it.
6.Check the water system.
7.Check the alarm type and
take corresponding
corrective measure.
8.Check and reset it.
Temperature sensor
protection
1.The buld plug and the
main board plug were
connected incorrectly.
2.The temperature bulb was
damaged.
3.The main board was
damaged.
1.Check if the bulb plug was
connected to the correct
main board plug.
2.Replae it.
3.Replace it.
Pressure transducer error
1.The pressure sensor is
open-circuited.
2.The pressure sensor is
short-circuited.
3.The pressure sensor is
damaged.
1.Check the circuit of the
pressrue sensor.
2.Replace it.
Flow switch protection
1.The water pump has not
started.
2.The water flow is too low.
3.The water flow switch was
damaged.
4.There was air inside the
waer system.
1.Start the water pump.
2.Adjust the water flow.
3.Adjust the water flow.
4.Dispel air inside the water
system.
A Series Inverter Modular Air-cooled Chiller (Heat Pump)
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