ASI JD MACDONALD 10-20201-2 Інструкція з експлуатації та посібник із запчастин - Сторінка 8

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ASI JD MACDONALD 10-20201-2 Інструкція з експлуатації та посібник із запчастин

Hand Dryer

Diagnostics and Remedies

Symptom

If the dryer will not run

The dryer cycles by itself

or runs constantly

The dryer makes a loud

noise and does not run

for a complete cycle

The dryer runs but air

stream is low pressure

and/or low velocity

Symptom

If the dryer will not run

The IR sensor only "sees"

close range objects

The air stream is low

pressure and velocity

Operating Instructions and Parts Manual

Surface-mounted High-Speed hand dryer

Corrective Actions for Initial Installation Failures

First ensure that the breaker supplying the dryer is operational. If it is,

disconnect the power and remove the dryer cover. Taking suitable

precautions to avoid shock hazard, reconnect the power and check for

Voltage at the terminal block. Verify that connections are made correctly.

Adjust the VR-2 (on item 34) to make sure it is not set too low.

Ensure that there is no obstruction on or in front of the IR sensor. Clean

any dirt or debris off the sensor lens. If problem persists, replace sensor.

If symptom continues after sensor replacement, then replace CBM.

Ensure that the supply Voltage is correct. Dryer will make a loud humming

noise if the input Voltage is too high. Verify Voltage requirement on unit

rating label and correct supply as required. If CBM has been damaged,

replace CBM, IR sensor-LED module, VR-2/ SW-1 and CBM wire harnesses.

Ensure that the supply Voltage is correct. Dryer will run weakly if the

input Voltage is too low. Verify Voltage requirement on unit rating label

and correct supply as required.

Corrective Actions for In-Service Failures

First ensure that the breaker supplying the dryer is operational. If it is,

disconnect the power and remove the dryer cover. Replace the CBM

and IR sensor module or disconnect heater element from circuit;check

resistance (Ω) of element with multimeter. If Ω is off-scale infinitely

large then replace element. If Ω is between 15 and 20 then check

motor brushes for wear and replace them if remaining graphite is

≤ 25/64" [10 mm ]. If after reassembly and testing there is stil no motor

function then replace motor. Taking suitable precautions to avoid

shock hazard, reconnect the power and check for Voltage at the

terminal block.

Ensure that there is no obstruction on or in front of the IR sensor. Clean

any dirt or debris off the sensor lens. Check VR for sensor range setting. If

problem persists, disconnect the power and remove the dryer cover and

replace CBM, IR sensor module.

Check the output nozzle for obstructions. If none are present, disconnect

the power. Remove the dryer cover. Remove any dust/lint buildup from

intake vent slots. Check VR for speed setting. Disassemble the blower-

motor/fan housing. Check the motor brushes for worn condition (≤ 25/64"

[10 mm] graphite remains) and replace them, if necessary.

A S I J D M a c D o n a l d P t y. L t d .

www.asijdmacdonald.com.au

1800 023 441