志高KFR-51LW故障表现为:用户反应制热效果差,温度升不上 分析与维修:上门检查确实如用户所说,出风口温度不高,打开窗户看见截止阀附近许多油污,同时看见低压螺母有裂开的痕迹,应该是螺母损坏导致氟利昂漏掉了引起的制热效果差,收氟关机,更换低压螺母抽空加氟试机正常 |
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