Movincool Office Pro 12 / Office Pro 18 / Office Pro 24 Service Manual download pdf (Page 32)

Repair Section

7.2 Self-Diagnostic Codes

• Self-diagnostic codes are displayed on the control board under the following conditions and

clear method is as follows.

LCD Display Description Condition Reset/Remedy

Drain tanks is full When the drain tanks (optional) is

filled with drain water.

(“TANK FL” LED flashes and signal

output (J106) turns on.)

1)Drain away.

(LCD indicates “TANK”)

2)Press ON/OFF button.

Condensate pump

problem

When condensate pump is

damaged or broken.

(J8 input of relay board turns to

open and signal output (J106) turns

on.)

1)Fix the condensate pump.

2)Reset the system.

To RESET: Press ON/OFF and

HI/LO buttons on the control box

simultaneously for 5 sec.

Defect (short or open)

of room thermistor

When room thermistor (connecting

to J101) becomes short or open.

(Signal output (J106) turns on.)

Disconnect and reconnect the

room thermistor.

If it doesn’t work, then change it.

Defect (short or open)

of freeze protection

thermistor

When freeze protection thermistor

(connecting to J102) becomes short

or open.

(Signal output (J106) turns on.)

Disconnect and reconnect the

freeze protection thermistor.

If it doesn’t work, then change it.

Show running hours Press ON/OFF and V buttons

simultaneously for 3 sec, total

operation hours of compressor is

indicated by 6-digit (hours).

Example in left: 807 h

After 5 sec., display goes back to

normal mode.

SET TEMP

COOL

FAN

SET TEMP

COOL

FAN

SET TEMP

COOL

FAN

SET TEMP

COOL

FAN

SET TEMP

COOL

FAN

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 68 69

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Movincool Office Pro 12 / Office Pro 18 / Office Pro 24 Service Manual Page 32

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