Movincool CM25 Service Manual User Manual download pdf (Page 54)

Repair Section

LCD

displays

self-

diagnostic

codes.

E12 E14 4 Excessive current from

the STI module to the

compressor.

RESET the controller

twice or three times. If

the error still occurs, replace the compressor.

E15 4 Compressor lock. RESET the controller

twice or three times. If

the error still occurs, replace the compressor.

E16 4 Compressor wires are

disconnected.

• Reconnect and check the compressor

wires.

• Reconnect and check the relay board

wires.

RESET the controller

E17 4 Excessive compressor

load.

RESET the controller

twice or three times. If

the error still occurs, replace the compressor.

Excessive compressor

startup differential

pressure.

E13 E18 4 Excessive current from

the power source to the

STI module.

RESET the controller

twice or three times. If

the error still occurs, replace the compressor.

E19 4 Degraded heat sink

performance.

Replace the relay board.

Then initialize the fan motor. (See page 61.)

E20 4 Recovery from

momentary power loss or

momentary voltage drop.

Check if the supplied voltage to the unit is

unstable due to the external influence or not.

RESET the controller

If the error still occurs, replace the relay

board.

Then initialize the fan motor. (See page 61.)

Momentary power loss,

or momentary voltage

drop.

E21 4 Sensor on the relay board

is short or open.

Replace the relay board.

Then initialize the fan motor. (See page 61.)

E22 4 Compressor actuating

circuit on the relay board

is short or open.

Replace the relay board.

Then initialize the fan motor. (See page 61.)

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 ... 49 50 51 52 53 54 55 56 57 58 59 ... 88 89

Comments to this Manuals

No comments

Movincool CM25 Service Manual User Manual Page 54

Comments to this Manuals

Related products and manuals for Conditioners Movincool CM25 Service Manual