Question about Heating & Cooling
Error code E4
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: E4 error message on an
Isnt any specific description for this barnd; the only thing I have found is this which is from the manufacturers website If unit displays "e4":
1? Check whether the winding resistance and operation current of the compressor are normal.
2?Check whether the high and low pressure is normal when the unit is running.
3?Check (whether the coil pipe sensor is normal) whether the contact of the inserter on the circuit board is well, the coil pipe temperature sensor is fixed, the evaporation of the indoor unit is well, the key is to check the evaporator temperature detected by the coil pipe temperature sensor has reached the cooling or heating temperature.
4?Check whether the surface of the condenser is too dirty, it should be cleaned when it is too dirty.
5?Check whether the capacitance of the outdoor motor and the fan is damaged, it should be replaced when it is damaged.
6?If the above items are normal, the electric control board should be replaced.
Posted on May 29, 2011
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