Movincool CM25 Service Manual User Manual download pdf (Page 46)

Repair Section

: LED turn on

< NOTE >

*1 Shown with the operational status display mode.

When the fan is under the initial settings or in test mode, either the WMC or MWT will be

inoperative, and no self-diagnostic codes will be displayed.

• Verify self-diagnostic codes using the LED on the relay board.

• To erase self-diagnostic codes, (including either the WMC or MWT), open and close the circuit

breaker.

Self-Diagnostic

Code

Cause

Alarm

Pattern

Relay Board

LED (Red)

Warning

Signal

Output

Detection Contents

1 2 3 4 5 6

Freezing abnormality - 

OFF

When an evaporator inlet air

thermistor temperature at or

below 26.5°F (-3°C) is

detected during compressor

operation.

However, detection is not

possible for 5 minutes after

the compressor starts.

Evaporator fan motor

reverse rotation

abnormality

- 

When a fan motor reverse

rotation signal (-760 rpm) is

detected.

Condenser fan motor

reverse rotation

abnormality

- 

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 88 89

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Movincool CM25 Service Manual User Manual Page 46