Movincool CM25 Service Manual User Manual download pdf (Page 56)

Repair Section

6.4 Self-Diagnostic Code Display Operation and Control

(1) WMC

• When an abnormality occurs in a unit, a self-

diagnostic code and “CHECK” will display on

the WMC.

Switching the self-diagnostic code display

mode

• The self-diagnostic code display can be

switched between user mode and service

mode.

- Press and hold the “

” and “” buttons

simultaneously for 3 seconds.

- When in the service mode, self-diagnostic

codes flash.

Self-diagnostic code reset

- While the self-diagnostic code is displayed,

press the “RESET” button.

The self-diagnostic code and “CHECK”

displays will turn off, and the system will switch to standby mode.

The LEDs on the WMC and relay board will illuminate.

(2) When the MWT is connected

• When an abnormality occurs in a unit, self-diagnostic codes are displayed via illuminated LEDs

on the relay board.

Self-diagnostic codes are reset by opening and then closing the circuit breaker.

I003174

Self-Diagnostic

Code

"CHECK"

Turn On

ILL00686-00

LED 7

LED 1~6

Relay Board

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 88 89

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Movincool CM25 Service Manual User Manual Page 56