Self-Diagnosis Function; Error Indicator (Indoor) - Friedrich MD24Y3J Svc Manual

1. Self-diagnosis Function

1.1 Error Indicator (Indoor)

Ceiling Cassette Type Display
The number of times to blink = Error code
Ex) Error 03 (Remote controller error)
3 Times
LED02G
(GREEN)
2 Sec.
Error Code
01 Indoor Room sensor error
02 Indoor in-pipe sensor error
03 Remote controller error
04 Drain pump error
05 Communication error indoor and outdoor
06 Indoor out-pipe sensor error
09 EEPROM error (indoor)
10 BLDC motor fan lock (indoor)
* Because remote controller turn off when occur ERROR in simultaneous operation system, it should check LED blinks
of outdoor in order to confirm error code.
* Repeatedly after LED1 is turned on and off as the Error code number of tens digit, LED2 is turned on and off as the
Error code number of single-digit.
Only for training and service purposes
10 degrees 1 degrees
3 Times 3 Times
2 Sec.
Description
LED1
LED2
LED 1 (Green)
0
0
0
0
0
0
0
1time ◑
- 38 -
LED 2 (Red) Indoor status
1time ◑
OFF
2times ◑
OFF
3times ◑
OFF
4times ◑
OFF
5times ◑
OFF
6times ◑
OFF
9times ◑
OFF
0 OFF