推荐回答（1个）
我在网上搜的 不明白你说的到底是空调还是热水器 就把这两个故障代码都给你发出来吧 需要别的也可以找我：
热回收系列空调器
室内机故障显示代码：
保护代码 指示内容 故障代码 指示内容
P4 室内蒸发器保护关压缩机 (高温或低温) E1 T1传感器故障
P5 室外冷凝器高温保护关压缩机 E2 T2传感器故障
P7 室外排气温度过高关压缩机 E3 T3传感器故障
P9 制热防冷风关室内风机 E4 T4传感器故障
P10 压缩机低压保护 E5 室内外通信故障
P11 压缩机高压保护 E7 排气温度过高故障
保护代码 指示内容 故障代码 指示内容
P12 压缩机电流过载保护 E8 排气温度传感器故障
HS 化霜 EA 压缩机低压故障
Eb 压缩机高压故障
EC 压缩机电流过载故障
PAU 门开关保护
水箱数码管故障显示代码：
故障代码 指示内容 故障代码 指示内容
E0 水压检测故障 P1 压缩机过载保护
E3 室外管温（T3）传感器 开短路故障 P4 制冷循环室内蒸发器 低温保护
E4 室外环温（T4）传感器 开短路故障 P5 室外冷凝器高温保护
E5 水箱与室内机通信故障 P6 制热循环室内蒸发器 高温保护
E6 水箱与线控器通信故障 PA 系统低压保护
E8 排气温度传感器开短路故障 Pb 系统高压保护
故障代码 指示内容 故障代码 指示内容
Ed 水箱与室外机通信故障 PC 压缩机电流保护
EE 水箱内水温（T5）传感器 开短路故障
EF 出水温度（T6）传感器 开短路故障
室外机故障显示代码：
故障 指示内容
LED1（黄灯） 故障 指示内容
LED1（黄灯）
通信故障 闪烁2次 室外环境温度传感器 开短路故障 闪烁5次
室外管温传感器开短路故障 闪烁3次 高压保护 闪烁6次
排气温度传感器开短路故障 闪烁4次 低压保护 闪烁7次
睿泉热水机
保护代码 指示内容 故障代码 指示内容
P0 T3温度过低保护 E0 T5U传感器故障
P2 排气温度过高保护 E1 T5L传感器故障
P3 压缩机开路保护 E2 线控器与水箱通讯故障
P4 压缩机过电流运行保护 E4 T3传感器故障
P6 压缩机运行条件不足 E5 T4传感器故障
P7 压缩机运行条件不足 E6 Tp传感器故障
P8 上电加热器开路保护 E7 热泵系统故障
P9 上电加热器过电流保护 E8 漏电保护故障
PA 下电加热器开路保护
Pb 下电加热器过电流保护
LA 环境温度不满足运行 热泵条件
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