56
Installation and maintenance instructions 0020213394_05
Code
Meaning
Cause
Remedy
F.1117
Compressor: Phase failure
–
In-rush current limiter defective or
incorrectly connected
–
Defective fuse
–
Poorly tightened electrical connec-
tions
–
Mains voltage too low
–
Compressor/low tariff power supply
not connected
–
Blocked by energy supply company
for over three hours
–
Check the fuse
–
Check the electrical connections
–
Measure voltage at the heat pump
electrical connection
–
Reduce energy supply company
anti-cycling time to under three hours
F.1118
Compressor: Incorrect phase seq.
–
Incorrect order of phase connection
to the grid feed-in
–
In-rush current limiter defective or
incorrectly connected
–
Change the phase order by switch-
ing over two phases at a time to the
grid feed-in
–
Check the in-rush current limiter
F.1119
Compressor: ICL fault
–
In-rush current limiter defective or
incorrectly connected
–
Mains voltage too low
–
Check all plug contacts
–
Check the ICL compressor connec-
tion
–
Check the ICL control PCB connec-
tion
–
Replace the ICL
F.1120
Immersion heater: Phase failure
–
The circuit breaker in the electronics
box has been triggered
–
Electric back-up heater defective
–
Poorly tightened electrical connec-
tions
–
Mains voltage too low
–
Blocked by energy supply company
for over three hours
–
Check the electric back-up heater
and its power supply, and reset the
circuit breaker
–
Check the electrical connections
–
Measure the voltage at the electrical
connection for the electric back-up
heater
K
Characteristic values, external cylinder temperature sensor
Temperature (°C)
Resistance (ohms)
-10
14947
-5
11430
0
8818
5
6856
10
5373
15
4242
20
3373
25
2700
30
2176
35
1764
40
1439
45
1180
50
973.7
55
807.5
60
673.2
65
563.9
70
474.6
75
401.3
80
340.8
85
290.6
90
248.8
95
213.9
100
184.6
105
160.0
