| E1 点火失败 E2 意外熄火，重新启动 E3 开机前检测到火焰 E4 过热故障 E5 风压/风机故障 损坏更换 E6 防干烧开路故障 E7 采暖NTC 故障 损坏 EP 采暖管道系统故障 水压故障，水泵故障 |
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