(1) whether does examination evaporator appearance have indigestion corrupt, eyewinker. Use high-pressured water or compress air to clean the surface to accumulate corrupt, eyewinker.
(2) check evaporator whether leak. If discover leak, need to find out leakage dot to undertake solder fills.
(3) see evaporator itself whether damage. Observe whether drainpipe has current to go out, inside the examination expedite.
(4) when installation, notice the entrance and exit do not receive a fault, lukewarm control element or feeling lukewarm bag should be installed firmly in proper place, expand the good insulation material of feeling lukewarm Bao Fu of a powerful person. If be to change new evaporator, must add the refrigerator oil of certain amount.