Characteristic Values For The Vr 10 External Temperature Sensor - Vaillant flexoTHERM exclusive VWF 57/4 Installation And Maintenance Instructions Manual

Appendix
Code Meaning
F.1119 Compressor: ICL fault
F.1120 Heating rod: Phase failure
F

Characteristic values for the VR 10 external temperature sensor

Temperature (°C)
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
48
Cause
–
In-rush current limiter defective or
incorrectly connected
–
Mains voltage too low
–
The circuit breaker in the electronics
box has been triggered.
–
Auxiliary electric heater defective
–
Poorly tightened electrical connec-
tions
–
Mains voltage too low
–
Blocked by energy supply company
for over five hours
Resistance (ohms)
87879
63774
46747
34599
25848
19484
14814
11358
8778
6836
5363
4238
3372
2700
2176
1764
1439
1180
973
807
672
562
473
400
339
289
247
212
183
158
137
120
104
92
Installation and maintenance instructions flexoTHERM exclusive 0020213395_00
Remedy
–
Check all plug contacts
–
Checking the ICL compressor con-
nection
–
Check the ICL controller PCB con-
nection
–
Replace the ICL
–
Check the auxiliary electric heater
and its power supply, and reset the
circuit breaker
–
Check the electrical connections
–
Measure the voltage at the electrical
connection for the auxiliary electric
heater