Midea Aqua Tempo Super II Series Service Manual page 59

Aqua Tempo Super II
4.6 E9 Troubleshooting
4.6.1 Digital display output
4.6.2 Description
 Water flow failure.
 E9 indicates a water flow switch error. When an E9 error occurs 3 times in 60 minutes, a manual system restart is
required before the system can resume operation.
 All units stop running.
 Error code is displayed on main PCB and user interface.
4.6.3 Possible causes
 The wire circuit is short connected or open.
 Water flow rate is too low.
 Water flow switch damaged.
 Damaged main PCB.
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