Proline PFL1165W-U Service Manual page 23

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SERVICE MANUL
PFL1165W-U
Error message. Motor overheat protection or is damaged.
Troubleshooting:
Cut off power and check if motor wires
are connected well
Y
Measure if the resistance of motor
binding by multimeter, is it as followed?
1-2(between white and white)5 ;
3-5(between brown and red)4 ;
7-8(between gray and black)40 ;
Y
Pull out the wire connection of motor
and driving computer board. Then
check if circuit is open by multimeter
Error message. Water level exceeds protection value.
Troubleshooting:
Check if water switch hose and air collector
are jammed
N
Pull out water switch inserts and turn on
power, then set wash mode. while water
is entering at the position of 1/4 glass
window, check the resistance between ①
and ②, is it 0 ? Check the resistance
between ①and ③ ,is it infinite?
N
Without power ,connect inlet pipe to inlet
valve, then open the tap and observe if
water is entering in dispenser
N
Without starting but electrifying, measure
the import voltage of inlet valve, is it
between AC 220-240V?
N
Repair wires
Y
Y
Y
Y
Reconnect well
Put the motor in normal temperature
about ten minutes, and then test
again. If the resistance is natural, it
is caused by overheated protection.
N
Then
check
and
overload, abnormal voltage. If not,
please replace motor
Clean water switch hose and air
collector
Replace water pressure switch
Y
Replace inlet valve
Replace PCB
23
deal
with

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