Electrolux EL4300 Service Manual - Page 37

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Nozzle motor doesn't

start or

stop on active system

LED's on nozzle

doesn't light,

but nozzle motor is

running

Publication number

Cleaner with radio remote:

Investigate if the LED on the remote indicates transmission. If not, change

battery and try again.

If still no LED indication on remote, change remote control and reprogram

the cleaner according to above instruction.

If LED indicates transmission, try replacing the remote according to above

instruction. If cleaner starts, replace the RF remote control.

If still no function, replace the control unit in the cleaner. Be aware of the

position of the radio antenna. If replacing the control unit this has to learn

the RF-remote address according to above description, chapter 3.7.

Cleaner with active motor nozzle:

Check the bent end, test with another HBTN. If possible to change power

setting, change.

Check wiring from hose connection to 2G active PCB.

Change 2G active PCB, test.

Check wiring between 2G active PCB and control unit for failure or bad

connection.

Change the control unit.

If the power regulation works for the first minutes after start, and then stops

working. Motor seems to run only in maximum speed.

Check the cooling system to the Power module (tube, cooling house, tube

connection to dust compartment).

Change the Power module PCB.

Check the bent end, test with another HBTN. If possible to start nozzle

motor, change.

Check wiring from hose connection to 2G active PCB.

Change 2G active PCB, test.

Check wiring between 2G active PCB and control unit for failure or bad

connection.

Change the control unit.

Change nozzle electronic

Rev. xx

Month/year

PR - 37/37