- 19 -
Error codes
Description
Switched to safety mode
Probable causes
Minor
error
Major
error
35
-
HP outgoing flow sensor error
(T5)
-
Short circuit, sensor disconnected
or cut off Defective sensor Other
error
36
HP return flow sensor error (T6).
-
Short circuit, sensor disconnected
or cut off Defective sensor Other
error
-
132
Initial temperature > 70 °C (T5)
-
46
-
Circuit 2 sensor error (T12)
-
Short circuit, sensor disconnected
or cut off Defective sensor Other
error
48
-
Outdoor temperature sensor error
(T7)
-
Short circuit, sensor disconnected
or cut off Defective sensor Other
error
47
-
DHW tank sensor error (T8)
-
Short circuit, sensor disconnected
or cut off Defective sensor Other
error
-
148
Legionella cycle error
This error appears if 3
consecutive tests fail
DHW back-up disconnected
52
-
Frost detected on the return
circuit when defrosting the
outdoor unit (temperature < 2 °C)
-
Circulating water volume too low
(contact installer)
-
180
Appliance shutdown if the error
52
occurs 3 times in 1 hour
53
-
Frost detected on the outgoing
circuit when defrosting the
outdoor unit (temperature < 3 °C)
-
-
181
Appliance shutdown if the error
53
occurs 3 times in 1 hour
55
-
Frost protection of the HP circuit
activated (with electrical back-up)
-
-
56
-
Frost protection of the DHW tank
activated (with electrical back-up)
-
-
62
-
Load shedding - peak shaving or
rate input activated
-
-
66
-
Outdoor unit error (external
cause)
-
67
-
DHW cycle too long (> 6 hours)
-
Too much draw-off during the same
cycle
DHW back-up disconnected
-
195
Appliance shutdown if
the error
67
occurs 3
consecutive times
68
-
Room temperature in area 1
missing when the "room T°
influence" function (No.
33
) is
activated
-
Parameter
33
used without room
unit
Room unit disconnected or absent
69
-
Room temperature in area 2
missing when the "room T°
influence" function (No.
41
) is
activated
-
Parameter
41
used without room
unit
Room unit disconnected or absent
70
-
Assist mode activated
-
-
71
-
Circuit temperature 2 > 55 °C
-
Defective mixing valve
73
-
External error linked to input EX3
Parameter
56
set to
1 ->
HP locked
Outdoor component error
2 ->
Area 1 shut down
3 ->
Area 2 shut down
76
-
Low hydraulic flow rate.
-
Circulation pump speed settings too low.
Clogged filtering component.
User manual "1634 - EN"
Loria 6000 heat pump