Movincool CM 25 Manuel de service télécharger pdf (Page 51)

Repair Section

Condition Check Area

Possible Cause Remedy

Unit does

not

operate.

Self-Diagnostic

Codes

(WMC)

Buzzer

Pattern

User

Mode

Service

Mode

LCD

displays

self-

diagnostic

codes.

AL AL 1 Signal is input from the

fire alarm.

Check the fire alarm system and confirm

there is no signal input to the unit, then

RESET the controller

PU PU 3 Drain hose clogged

(for internal drain pump).

Remove any blockage or excessive kinks

preventing water flow.

Drain hose trap position

is too high to pump up

condensation water

(for internal drain pump).

Improve hose installation.

(Refer to the operation manual of this unit.)

Drain water through the gravitational drain

pipe.

RESET the controller

Internal drain pump is not

working.

Reconnect the internal drain pump and

check connection.

Drain water through the gravitational drain

pipe.

RESET the controller

If the internal drain pump still does not work,

replace it.

E07 E07 3 Drain hose is clogged (for

optional condensate

pump).

Remove any blockage or excessive kinks

preventing air flow.

RESET the controller

Drain hose trap position

is too high to pump up

condensation water (for

optional condensate

pump).

Improve hose installation.

(Refer to the installation manual of the

optional condensate pump.)

RESET the controller

Optional condensate

pump is not working.

Reconnect the drain pump and check the

connection.

RESET the controller

If the optional condensate pump still does not

work, replace it.

*1 : To RESET the controller, press RESET button, then press ON/OFF button.

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Movincool CM 25 Manuel de service Page 51

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