Wired Remote Controller Display - Fujitsu ASU18RMLQ Service Instruction

2-1-3 WIRED REMOTE CONTROLLER DISPLAY

For ARU9-18RML (AR-3TA)
1. SELF - DIAGNOSIS
When the error indication "E:EE" is displayed, inspection of the air conditioning system is necessary.
Please consult authoilzed servise personnel.
Run [Self-Diagnosis] if [E:EE] flashes on the clock display of the remote controller.
Display
SU MO TU WE TH FR SA
DAY
CLOCK ADJUST DAY OFF
SET BACK
DELETE SET
1. Stop the air conditioner operation.
2. Press the SET TEMPERATURE buttons
to start the self-diagnosis.
3. Press the SET TEMPERATURE buttons
or there is no key input for 20 seconds to stop the self-diagnosis.
Error code
ENERGY
SAVE
and
and
Error contents
Communication error (indoor unit
Communication error (Serial reverse transfer error)
Room temperature thermistor open
Room temperature thermistor short-circuited
Indoor heat exchanger temperature thermistor open
Indoor heat exchanger temperature thermistor short-circuited
Outdoor heat exchanger temperature thermistor open
Outdoor heat exchanger temperature thermistor short-circuited
Power supply frequency detection error
Water drain abnormal
Outdoor temperature thermistor open
Outdoor temperature thermistor short-circuited
Outdoor discharge pipe temperature thermistor open
Outdoor discharge pipe temperature thermistor short-circuited
Heat sink temperature thermistor error
Discharge pipe temperature thermistor error
Indoor EEPROM abnormal (Model No.)
Indoor fan motor abnormal
Outdoor communication signal error (Forward transfer signal error)
Exessive high pressure protection on cooling
Compressor temperature thermistor error
Pressure switch error
IPM error
CT error
Active Filter Module (AFM) error
Compressor rotor location cannot detect
Outdoor unit fan motor error
Main CPU - sub CPU communication error
2-way valve temperature thermistor
3-way valve temperature thermistor
Connected indoor unit error
02-04
DAY
CLOCK ADJUST DAY OFF
ENERGY THERMO
SET BACK
SET SENSOR
SAVE
DELETE SET
simultaneously for 5 seconds or more
simultaneously for 5 seconds or more
remote control)
error
error
Error code
SU MO TU WE TH FR SA
Ex. Self-diagnosis
Trouble
shooting
1
2
3
4
5
26
6
7
8
19
8
9
10
11
32
12
13
14
15
16
17
18
24
21
22
23