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Code de
défaut :
P4
Motif : Arrêt de sécurité du réglage de l’inverter. Contrôle interne au système déclenchée (par
exemple, problème de communication entre la platine et le compresseur
, vitesse de rota-
tion du compresseur pas OK)
Cause :
n Connexions électriques défectueuses
n Réglage de l’inverter défectueux sur la platine
n Moteur du ventilateur du condenseur défectueux
n Compresseur défectueux
n Platine de commande défectueuse
Vérifiez les connexions électriques entre la pla-
tine de commande et le compresseur
. Sont-ils
corrects ?
OUI
Reliez-les correctement.
NON
Vérifiez le réglage de l’inverter. Est-il fonc-
tionnel ?
NON
Remplacez la platine de commande.
OUI
Vérifiez le moteur du ventilateur du condenseur.
Est-il OK ?
NON
Suivez les instructions de la section Dépan-
nage Erreur F5
OUI
Vérifiez les résistances d’enroulement du com-
presseur
. Sont-ils en ordre ?
NON
Remplacez le compresseur
OUI
Remplacez la platine de commande de l'unité
extérieure.
Vérifier les différents composants
Contrôle des sondes de température
Débranchez la sonde de température de la platine
de commande, mesurez la résistance au niveau
des contacts du connecteur
.
Fig. 55: Vérifier les capteurs de température
1 : Multimètre
57
57


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