海尔洗衣机故障F 7的常见故障症状有哪些?

海尔洗衣机故障F 7的常见故障症状包括：

1. washer won't start
2. washer won't spin
3. washer makes unusual noise
4. washer won't drain
5. washer won't tumble
6. washer displays an error code