Rotex HPSU compact 304 Installation And Maintenance Manual

52
FA ROTEX HPSU compact 4 - 06/2015
8 x Errors, malfunctions and messages
E9022 H9 Fehler AT-Fühler
External temperature sen-
sor R1T in the heat pump
exterior unit
Sensor or connection cable defective.
Ɣ Check, replace.
E9023 HC Fehler WW-Fühler
Storage tank temperature
sensor t
DHW2
E9024 J1 Pressure sensor
Pressure sensor S1NPH
in the heat pump exterior
unit
E9025 J3
Fehler Rück-
lauffühler
Discharge temperature
sensor R2T in the heat
pump exterior unit
E9026 J5
Fehler Ansau-
grohrfühler
Suction temperature sen-
sor R3T in the heat pump
exterior unit
E9027 J6
Aircoil-Fühler
Defrost
Temperature sensor of the
lamella heat exchanger
R5T in the heat pump
exterior unit
E9028 J7
Aircoil-Fühler
Temp
Temperature sensor of the
lamella heat exchanger
R4T in the heat pump
exterior unit
(only in 11-16 kW
systems)
E9029 J8
Fehler Kältefühler
AG
Temperature sensor liq-
uid-side R6T in the heat
pump exterior unit
Code Malfunction /
Error messageg
Component/Designation Causes and possible error correction
Display Internal

Rotex HPSU compact 304 Specifications

General

Brand	Rotex
Model	HPSU compact 304
Category	Controller
Language	English