DAYLIFF DSmart300, Installation & Operating Manual

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6. TROUBLE SHOOTING
Before troubleshooting it is necessary to switch off the power supply and ensure it cannot
be accidentally switched on
ERROR
CODE
CORRESPONDING FAULT TROUBLE SHOOTING
E1
Pa n e l a n d m o t h e r b o a r d
communication failure Check whether the panel cable is well connected, and try
plugging and unplugging again. If it cannot be resolved. The
panel or motherboard has failed and will need replacement.
E2 Stall
Try to turn the fan blade to see if the impeller is stuck.
E3 Voltage failure, icon lights up Check voltage.
E4
Outlet pressure sensor failure
Check whether the lower pressure sensor interface is in poor
contact and re-plug. If still unresolved, replace the pressure
sensor.
E5
Controller failure
• Power off, wait for the panel light to go out, then power on
again.
• If still unrecovered, the motor or driver board is damaged
and may need to be replaced.
E6
Loss of phase
Check whether the motor cable is connected measure the
resistance of the motor wire and check if there is any
discontinuity.
E7
Overcurrent
• Check if there is a short circuit in the motor.
• Check the voltage resistance of the motor to see if the
voltage resistance is enough.
• Re-power and test if the motor is ok, the starter may be
damaged due to accidental impact.
E9
Water temperature protection Check whether the water temperature is abnormal.
E10
Lack of water, icon lights up
Check whether the water is available.Enter the factory menu to
adjust the water shortage pressure and adjust it to the current
pressure.
E11
Leakage, icon lights up
Check whether the pipeline is leaking, or whether the check
valve is leaking, it does not affect the water use, it only serves as
a reminder.
E12
Driver board overheating fault
Wait for the temperature of the pump to drop, and
automatically resume operation, or move the pump to a cool
and ventilated place.
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