Movincool CM25 Service Manual User Manual download pdf (Page 52)

Repair Section

LCD

displays

self-

diagnostic

codes.

HP HP 4 Operating outside of the

operating temperature

range.

Check environmental condition. Do not

operate the unit outside the operating

condition range. (See page 9.)

RESET the controller

Insufficient air volume. Clean air filter.

RESET the controller

Check ducting of intake and exhaust air, and

make sure there are no objects preventing air

flow.

RESET the controller

Loose high-pressure

switch connection.

Reconnect the high-pressure switch and

check the connection.

RESET the controller

Defective high-pressure

switch (short or open).

Replace high-pressure switch.

RESET the controller

Refrigerant is over

charged.

Charge correct amount of refrigerant.

(See page 86.)

RESET the controller

E01 E01 2 Defective RTS1

thermistor (short or

open).

Replace the WMC.

E02 E02 2 Loose RTS2 thermistor

connection.

Reconnect the RTS2 thermistor and check

the connection.

RESET the controller

Defective RTS2

thermistor (short or

open).

Replace RTS2 thermistor.

RESET the controller

E03 E03 2 Loose ODS thermistor

connection.

Reconnect the ODS thermistor and check

the connection.

RESET the controller

Defective ODS thermistor

(short or open).

Replace ODS thermistor.

RESET the controller

E04 E04 2 Loose CTS1 thermistor

connection.

Reconnect the CTS1 thermistor and check

the connection.

RESET the controller

Defective CTS1

thermistor (short or

open).

Replace CTS1 thermistor.

RESET the controller

Condition Check Area

Possible Cause Remedy

Unit does

not

operate.

Self-Diagnostic

Codes

(WMC)

Buzzer

Pattern

User

Mode

Service

Mode

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

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 88 89

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Movincool CM25 Service Manual User Manual Page 52

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