Self-diagnosisFunction

Troubleshooting Guide

■Error IndicatorIndoor ErrorSelf-diagnosisOutdoor ErrorFunctionManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual background

Error Indicator

The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble.

Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.

If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.

After error occurrence, if error is released, error LED is also released simultaneously.

To operate again on the occurrence of error code, be sure to turn off the power and then turn on.

Having or not of error code is different from Model.

LED1 LED2

Indoor Error

Error code

Description

MPS Variable

LED1

LED2

Indoor Status

 

 

 

 

 

 

00

No Error

 

 

 

ON

 

 

 

 

 

 

01

Indoor Room Thermistor Error

 

1 time

 

OFF

 

 

 

 

 

 

02

Indoor In-Piping Error

 

2 times

 

OFF

 

 

 

 

 

 

05

Communication Error between In and Out

 

5 times

 

OFF

 

 

 

 

 

 

06

Indoor Out-Piping Error

 

6 times

 

OFF

 

 

 

 

 

 

07

Differnt mode operation

 

7 times

 

OFF

 

 

 

 

 

 

10

Indoor fan motor locked error

 

 

1 times

OFF

 

 

 

 

 

 

Outdoor Error

Error code

Description

MPS Variable

LED1(Red)

LED2(Green)

Indoor Status

 

 

 

 

 

 

33

D-Pipe High(Normal)

 

3 times

3 times

OFF

 

 

 

 

 

 

44

Outdoor Air Thermistor Error(Open/Short)

 

4 times

4 times

OFF

 

 

 

 

 

 

45

Cond Pipe Thermistor Error(Open/Short)

 

4 times

5 times

OFF

 

 

 

 

 

 

47

Const. D-Pipe Thermistor Error(Open/Short)

 

4 times

7 times

OFF

 

 

 

 

 

 

51

Capcity Error(High/Low)

 

5 times

1 times

OFF

 

 

 

 

 

 

Service Manual 55

Page 55
Image 55
Heat Controller DMH18DB-1 manual Self-diagnosisFunction, Indoor Error, Outdoor Error, Troubleshooting Guide, Service Manual