W'eau WFI-007, Installation & Operation Manual, Page: 22 / 64

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● Remove the compressor power cables.
● Remove the compressor fixing screws.
● Remove the compressor.
8.6 Conduct regular maintenance according to the user manual instruction, to make sure
the unit running in good condition.
● Fire prevention: if there is a fire, please turn off the power switch immediately, put the fire out with
fire extinguisher.
● To prevent flammable gas: the unit working environment should stay away from gasoline, ethyl
alcohol and other flammable materials, to avoid explosion accident.
9. Error codes & Solutions
Code Description Potential reasons Solutions
E03
Water flow protection
Insufficient water flow
Check the water circuit system, the opening of
by-pass kits, the running of water pump
Water flow switch disconnected Check the wiring and reconnect water flow switch
Water flow switch defective Change a new one
E05
High pressure
protection
Insufficient water flow
Check the water circuit system, the opening of
by-pass kits, the running of water pump
Ambient/ Water temp. is too
high
Fan motor speed is abnormal or
fan motor has damaged
Check the fan motor
Excess refrigerant gas Readjust the refrigerant volume
High pressure switch
disconnected or defective
Reconnect or replace high pressure switch
Piping system jammed Check the piping system
E06
Low pressure
protection
Bad ventilation
Check the installation circumstance. Clean the
evaperator. Check the running situation of fan.
Low pressure switch
disconnected or defective
Reconnect or replace low pressure switch
Gas leakage (Check the gauge)
Detect the leakage point and make the
maintainence
Fan motor speed is abnormal or
fan motor has damaged
Check the fan motor
EEV blocked or piping system
jammed
Check the piping system