58 Installation and operating manual “1350-EN”
Heat pump, Split, single service
Outside unit, Reference AOYA18LALL (Model 050 and 065) and Reference AOYA24LALL (Model 080)
Diode display Erroneous element
0,1 seconds lit and 0,1 seconds unlit Defective temperature sensor (see hydraulic module)
0,5 seconds lit and 0,5 seconds unlit Abnormal intensity detector error
2 seconds lit and 2 seconds unlit Electric current circuit breaker error
5 seconds lit and 5 seconds unlit Defective fan motor
0,1 seconds lit and 2 seconds unlit Position of the compressor’s rotor not detected
5 seconds lit and 0,1 seconds unlit Abnormal PAM circuit voltage
1 seconds lit and 0,1 seconds unlit Timer cut off
2 seconds lit and 5 seconds unlit Abnormal compressor temperature
5 seconds lit and 2 seconds unlit Active filter error
Permanently lit Abnormal discharge temperature
Outside unit, Reference AOYA30LBTL (Model 095)
Diode display Erroneous element
0,1 seconds lit and 0,1 seconds unlit Defective temperature sensor (see hydraulic module)
0,5 seconds lit and 0,5 seconds unlit Defective IPM card
2 seconds lit and 2 seconds unlit Communication serial bus error
(terminals 3 outside unit & hydraulic module)
5 seconds lit and 5 seconds unlit Defective fan motor
0,1 seconds lit and 2 seconds unlit Position of the compressor’s rotor not detected
5 seconds lit and 0,1 seconds unlit Defective ACTPM card
Permanently lit Abnormal discharge temperature
6.2 Faults displayed on the outside unit
To access the electronic board, you must remove the front (right-hand) facing from the outside unit.
Faults are coded by diode flashes.