Ochsner OTE 3, Operating Instructions Manual

Page: 45 / 52

BA_OTE 3+4_Endkunde_EN_V03_20170726.docx Page 45 of 52
Code
Malfunc-
tion store
code
Error description Possible cause/ remedy
Er 46: TSG sensor defect Replace sensor
9 9 Er 47: De-icing malfunction
Insufficient de-icing energy
Evaporator/Sensor
Check the refrigerant circuit (OCHSNER)
129 129
Er 48: TQE sen-
sor/evaporator 1 defect
Replace sensor
130 130
Er 49: TQA sen-
sor/evaporator 2 defect
Replace sensor
12 12 Er 50: Expansion valve
Check the function of the EEV
(OCHSNER)
1 1
Er 56: Flow rate heat
source
Insufficient heat source energy, heat
source pump/filter
insufficient flow rate at heat source
2 2
Er 57: Frost protection of
heat source
Insufficient heat source energy, heat
source temperature too low,
check heat source, check heat source
pump/filter, clean water filter, ground
water pump defect
3 3
Er 58: Motor protection
heat source
Check motor protection, check wiring
to motor, motor protection relay,
phase defect/overload, thermo-contact
143 143
Er 59: Sensor breakage
TWV + TWR
Check sensor
144 144
Er 60: Sensor breakage
TQA + TQE
Check sensor
42 42
Er 71: Bus malfunction,
room remote unit
Check eBus wiring
30 30 Er 80: Address WEZ 1 Check addressing
31 31 Er 81: Address WEZ 2 Check addressing
32 32 Er 82: Address WEZ 3 Check addressing
33 33 Er 83: Address WEZ 4 Check addressing
34 34 Er 84: Address WEZ 5 Check addressing
35 35 Er 85: Address WEZ 6 Check addressing
36 36 Er 86: Address WEZ 7 Check addressing
37 37 Er 87: Address WEZ 8 Check addressing