Movincool CM25 Service Manual User Manual download pdf (Page 45)

Repair Section

45

E09 E09

Evaporator fan motor

locked

4



ON

When a fan motor speed of

50 rpm or less is detected

four times within 10 seconds

after the fan motor is started.

E10 E10

Condenser fan motor

locked



OL OL Compressor overload 

When compressor overload

relay is activated.

E11 E11

STI module

communication error



When a communication failure

between the STI module and

microcomputer on the relay

board is detected for at least 40

seconds.

E12

E14

Compressor over

current



When compressor current is

detected at or above 35.9 A.

E15

Compressor lock

failure

 

During the operational check

when the compressor is

stopped, no change in position

is detected.

E16

Compressor phase

interruption abnormality



When one phase is detected

as 0 A.

E17

Motor position

detection abnormality



When an abnormality in the

compressor motor position is

detected.

E13

E18 Input overcurrent 

When STI module input

current that exceeds the

specified value is detected.

E19

Power device

temperature

abnormality



When STI module

temperature that exceeds the

specified value is detected.

E20

DC voltage

abnormality



When a DC voltage or

current that is at or below the

specified value, or at or

above the specified value is

detected.

E21

Power device damage

abnormality



When a compressor startup

current/voltage that is at or

below the specified value is

detected.

E22 Circuit malfunction 

When a short or open in the

STI internal current/voltage

detection circuit is detected.

Self-Diagnostic

Code

Cause

Alarm

Pattern

Relay Board

LED (Red)

Warning

Signal

Output

Detection Contents

User

Mode

Service

Mode

1 2 3 4 5 6

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 88 89

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