Jakka JRH72N/700 사용자 설명서 - 페이지 13

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Troubleshooting

FAULT

FANS DO NOT

WORK

FANS RETURN

TO REVERSE

DIRECTION

LOW AIR FLOW

HIGH AIR FLOW

DRAINAGE

WATER

CAN NOT BE

DISCHARGED

REASON

a. Power supply off

b. No signal from the

control panel

c. Incorrect or loose

electrical connection

d. Motors in thermal

protection mode

a. Phase connection is

not correct

a. Filters clogged or

dirty.

b. Air duct is clogged

c. Channel connections

are incomplete.

a. Channel connections

are incomplete.

b. Supply voltage is low

c. Grilles are not

mounted

d. Filters are not

mounted

a. Drainage plugged

b. Incorrect installation

of drainage pipe.

SOLUTION

a. Turn on the power supply

b. Press the correct buttons of the

control panel

c. Connect connections correctly

d. Check motor current

a. Make the correct phase connection

a. Change or clean filters

b. Check the air ducts

c. Check the duct system for leaks and

complete the connections

a. Check the duct system for leaks and

complete the connections

b. Measure the current drawn by the

motor against overloading

c. Mount the grilles

d. Mount the filters

a. Clean drain pipe

b. Mount the drain pipe correctly