Outdoor unit
The order of priority : E1 E2 E5 P0 P1 P3 P5 P9 P6 t1 t2 t3 tu t0
E3 qx rx vx K1, K2, K3, K4, K5
- In case that the same error displays from multi-indoor units, the one having the fast
eraddress has the priority.
Display Explanation Remark
High temperature of Discharge (Protection control)
Error about protectioncontrol of
outdoor unit
High temperature of outdoor heat exchanger (Protection con-
trol)
Low pressure of outdoor (Protection control)
COMP DOWN to protect being frozen
Instant power supply failure (Power on/ off)
In removing frost
Error of OUTTEMPsensor (OPEN/SHORT)
Errors about outdoor unitsen
-
sor (OPEN/SHORT)Detection
during the operation of indoor
unit(Sensing and sending
errorsinto the communication
data)
Error of temperature sensor in outdoor heat exchanger (OPEN/
SHORT)
Error of Discharge TEMPsensor (OPEN/SHORT)
System Down caused by communication error aftercompletion
of tracking
Communication and indoorunit
errors
Mismatching of the indoor unit numbers set with thosecommu-
nicated after completion of tracking
Error of float switch in indoor unit
Self-diagnosis of indoorand
outdoor unit (x:indoorunit
address)
Error of setting option switches for optional accessories
x
OPEN/SHORTerror of room sensor in indoor unit
x
OPEN/SHORTerror of eva in sensor in indoor unit
x
Erreur du démarrage du ventilateur
Displays of operating status
Flicker
(Below -5°C when cooling (Outdoor temperature)
Flicker
Over 30°C when heating (Outdoor temperature)
K1, K2, K3, K4,
K5 Flicker
◆
If an error occurs during the operation, it is displayed on the outdoor unit PCB.
Troubleshooting (Continued)
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