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TROUBLESHOOTING
8. Troubleshooting
E0, E8
Description
• Water flow error.
• E0 indicates that E8 has been displayed 3 times. When E0 error occurs, a manual system restart is required
before the system can resume operation.
• The unit shuts down.
• The error code is displayed on the main PCB and user interface.
Possible causes
• The electric circuit has short-circuited or is open.
• Water flow is insucient.
• The flow switch is damaged.
• The water circuit has not been properly vented
• The unit pump (Pump_I) does not work
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