Fujitsu ASU18RMLQ Service Instruction page 33

2. ERROR CODE HISTORY DISPLAY
Up to 16 memorized error codes may be displayed for the indoor unit connected to the remote controller.
1. Stop the air conditioner operation.
2. Press the SET TEMPERATURE buttons
for 5 seconds or more to start the self-diagnosis.
3. Press the START/STOP button.
4. Press the SET TEMPERATURE button to select the error history number.
Lower Raise
5. Press the SET TEMPERATURE buttons
for 5 seconds or more or there is no key input for 20 seconds to stop the display.
,
DAY
DAY
DAY
,
02-07
and the START/STOP button
SU MO TU WE TH FR SA
SU MO TU WE TH FR SA
0 1 2 3 4
ı ı
F E d c b
and START/STOP button
simultaneously
Error code
Error history number
5 6 7
A 9 8
simultaneously