Error Detection - Friedrich MW09Y3G Service Manual

ERROR DE T EC TI O N
Error
Serial signal error
Indoor unit
thermistor error
Outdoor unit
thermistor error
Indoor unit control error
Outdoor unit
control error
Indoor fan motor error
Refrigerant cycle error
Optional function error
Model information error
2009.02.23
Indoor unit LED
Operation Coil dry
Timer LED
LED LED
2 flash
3 flash
Off 4 flash
5 flash
8 flash
2 flash
2 flash
3 flash
2 flash
3 flash
3 flash
4 flash
4 flash 2 flash
2 flash
3 flash
5 flash
5 flash
6 flash
2 flash
6 flash
3 flash
2 flash
7 flash
3 flash
2 flash
8 flash 3 flash
4 flash
0.1 sec on/off 0.1 sec on/off 0.1 sec on/off
Wired
Error
remote
control
off 01 Serial signal (reverse) error, at operation start up
off
01 Serial signal (reverse) error, during oeration
13 Serial signal (forward) error, at operation start up
off
off
13 Serial signal (forward) error, during operation
off 00 Wired remote control error
off 02 Indoor air thermistor error
off 04 Heat exchanger middle thermistor error
off 0C Discharge pipe thermistor error
off 06 Heat exchanger thermistor error
off 0A Outdoor air thermistor error
off 20 Manual auto button welded
off 17 Current trip error
off 18 CT abnormal
off 1A Compressor location detection error
off 1B Outdoor unit fan drive system abnormal
off 12 Abnormal lock (upper fan motor)
off 12 Abnormal rotation (upper fan motor)
off 0F Discharge temperature abnormal
off 24 Cooling high pressure abnormal rise
off 19 Active filter abnormal (first time)
off 19 Active filter abnormal (second time)
off 25 PFC circuit error
11 Model information error
10