Kaysun STYLUS 3D Serie Manual Tecnico página 51

Manual técnico
9.2.3 Diagnóstico y solución de problemas de detección señal de pase por cero (E2)
Check if the connections and
power supply is normal?
Yes
Indoor main PCB is
defective. Replace indoor
main PCB.
9.2.4 Diagnóstico y solución de problemas de velocidad del ventilador fuera de control (E3/F5)
Shut off the power supply
and turn it on 5 seconds
later. Is it still displaying
the error code?
Yes
Shut off the power supply,
rotate the fan by hand.
Does it rotate properly?
Yes
Check the wires of fan
motor. Are all the
connections good?
Yes
Check whether the fan
motor is normal through
index 1?
Yes
Check whether the main PCB is
normal through index 2?
Correct the connections. Turn on the
No
unit when the power supply is good.
No The unit operates normally.
No
No
Replace the fan
No
motor
No
Replace the
main PCB.
No The
malfunction is
solved?
Yes
51
STYLUS 3D INVERTER
Find out the cause and
have it solved. For
example, check
whether the fan is
blocked or the bearing
is broken?
Correct the connections.
If the
malfunction is
still existing,
replace the
main PCB