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PAW-VP•LDHW - Technical Manual – 2020-07
Error Codes PACi & ECOi
10
10.3 Alarm codes for indoor/outdoor units ECOi MF3
Error group
Symptoms
Possible causes / Remedy
Wired remote
controller display
Serial commu-
nication errors
Mis-setting
Remote controller is detecting error signal
from indoor unit.
Indoor unit does not respond to remote controller.
<E01>
The remote controller is having error in sending serial communica-
tion signal.
<E02>
Remote Controller does not respond to indoor unit.
<<E03>>
Outdoor unit is detecting error signal from
indoor unit.
Outdoor unit does not respond to indoor unit.
E04
Indoor unit is detecting error signal from
outdoor unit.
Some indoor units does not respond to outdoor unit.
E06
Improper setting of indoor unit or remote
controller
Indoor unit address is dupulicating.
E08
Two or more remote controllers are set as main on R1-R2 link.
<<E09>>
Improper setting
Auto Address failed to start.
E12
Indoor unit communication error of group
control wiring
No response from sub indoor to the main indoor unit in group
control wiring.
E18
During auto address setting, number of
connected units does not correspond to
number set.
Fewer indoor units are found in Auto Addressing than the
setting on outdoor PCB.
E15
More indoor units are found in Auto Addressing than the
setting on outdoor PCB.
E16
No indoor unit responded in Auto Addressing.
E20
No response from sub outdoor unit.
E24
The outdoor unit address is duplicating.
E25
The number of responding outdoor units does not match with the
setting on the main outdoor unit.
E26
No response from main outdoor unit.
E29
The outdoor unit is having error in sending serial communication
signal on main-sub communication line.
E30
Error in communication inside outdoor unit control box.
E31
Improper setting
Indoor unit address setting has error. (No main indoor unit in group
control.)
L01
Indoor unit model does not match with the outdoor unit model.
(Multi-split/mini-split)
<<L02>>
Two or more indoor units are set as main in group control.
<L03>
Two or more indoor units are set as priority indoor unit (priority
indoor unit).
L05
Two or more indoor units are set as priority indoor unit (nonpriority
indoor unit).
L06
Group control wiring is detected for indoor unit set as individual
control.
L07
Indoor unit address is not set.
L08
Capacity setting of indoor unit is not correct.
<<L09>>
Duplicate system address setting on outdoor units.
L04
Capacity setting of outdoor unit is not correct.
L10
Incorrect wiring of remote group control wiring (in case of shared
solenoid valve kit)
L11
Indoor unit model does not match with outdoor unit.
L13
Model mismatch between outdoor units.
L17
Thermistor fault
Indoor thermistor is either open or damaged
Indoor unit heat exchanger liquid temperature sensor has failure. (E1)
<<F01>>
Indoor unit heat exchanger temperature sensor has failure. (E2)
<<F02>>
Indoor unit heat exchanger gas temperature sensor has failure. (E3)
<<F03>>
Indoor suction air (room) temperature sensor has failure. (TA)
<<F10>>
Indoor discharge air temperature sensor has failure. (BL)
<<F11>>
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