Error Contents - Friedrich R410A Service Manual

ERROR CO N TE NT S
INDOOR UNIT
Models :
MW09Y3FM
MW12Y3FM
MW18Y3FM

Error contents

Communication error
Indoor unit temperature error
Outdoor unit temperature error
Indoor unit control system error
Outdoor unit control system error
Indoor unit fan motor error
Refrigerant system error
Added function error
Indoor unit connect error
2006.05.12
Indoor unit - Outdoor unit
Room temp. sensor error
Heat exchanger temp. sensor error
Discharge pipe temp. sensor error
Heat exchanger temp. sensor error
Outdoor temp. sensor error
2 way valve temp. sensor error
3 way valve temp. sensor error
Heat sinnk temp. sensor error
Compressor temp. sensor error
MANUAL AUTO button error
50Hz / 60Hz distinguish error
Electronic Air clean filter error
Electronic Air clean filter error
Current trip error
CT error
Compressor position error
Fan motor error
Connected indoor unit error
Main CPU - sub CPU communication error
Fan motor error
Fan motor error
Discharge pipe temp. error
High pressure error
High pressure switch error
Active filter error
Indoor unit model error
15
Error display
Indoor unit LED
OPERATION TIMER AIR CLEAN
or QUIET
(Red) (Green) (Green)
2 - 5
off off
flashes
2 flashes 2 flashes off
2 flashes 3 flashes off
3 flashes 2 flashes off
3 flashes 3 flashes off
3 flashes 4 flashes off
3 flashes off 2 flashes
3 flashes off 3 flashes
3 flashes 7 flashes off
3 flashes 8 flashes off
4 flashes 2 flashes off
4 flashes 4 flashes off
4 flashes 7 flashes off
4 flashes 8 flashes off
5 flashes 2 flashes off
5 flashes 3 flashes off
5 flashes 5 flashes off
5 flashes 6 flashes off
5 flashes 7 flashes off
5 flashes 8 flashes off
6 flashes 2 flashes off
6 flashes 3 flashes off
7 flashes 2 flashes off
7 flashes 3 flashes off
7 flashes 6 flashes off
2 - 3
8 flashes off
flashes
blinking blinking blinking
COIL DRY
(Orange)
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
blinking