Ochsner OTE 3 User Manual

BA_OTE 3+4_Endkunde_EN_V03_20170726.docx Page 46 of 52
Code
Malfunc-
tion store
code
Error description Possible cause/ remedy
20 20
Er 91: Flow rate in heat use
system
Water pressure too low, circulation
pump defect, valve closed/air in sys-
tem, check hydraulics
21
21
Er 90: Overheating
Check the refrigerant circuit (OCHSNER)
98 98
Er 98: Electrical heating
rod is only heat generator!
Check the heat pump operation selec-
tion (see Section8)
104 104
Er104: Buzzer malfunction
heat pump
OCHSNER customer service
108 108
Er108: Communication
malfunction outside unit
Only for Air Basic - check wiring
109 109
Er109: Compressor over-
heating
Only for Air Basic - automatic acknowl-
edgement
100 100
Er 200: Condensation tem-
perature too low
Check the refrigerant circuit (OCHSNER)
102 102
Er 202: Evaporation tem-
perature too low
Check the refrigerant circuit (OCHSNER)
103 103
Er 203: Evaporation tem-
perature too high
Check the refrigerant circuit (OCHSNER)
240 240
Er 240: OTE does not rec-
ognise Modbus circuit
board
OCHSNER customer service
241 241
Er 241: Modbus communi-
cation error
Only for Air Eagle - loss of voltage?
Check the wiring of the ModBus con-
nection from inside to outside unit
Otherwise, OCHSNER customer service
242 242
Er 242: Communication
malfunction CAN Bus
Only for Air Eagle - check the CAN Bus
and ModBus wiring (possible conse-
quential failure of Er241)
Otherwise, OCHSNER customer service

Ochsner OTE 3 Specifications

General

Brand	Ochsner
Model	OTE 3
Category	Control Unit
Language	English