Installation Instructions

Fault detection and elimination
40 Installation instructions VRC 470f 0020124645_00
10
10.2 List of errors
Menu ¬ Service information ¬ System status ¬ Sta-
tus [Fault]
If there is a fault, the status "Fault" is displayed. In this
case, the right function key has the function "Display".
Press the right function key to view the list of error mes-
sages.
i
Not all error messages in the list appear auto-
matically on the display.
Display Meaning Connected appliances Cause
Heat generator fault Fault in boiler Boiler See boiler instructions
Heat generator
communication fault
Boiler connection fault Boiler Cable defective, plug connection not correct
Communication fault
actoSTOR
Cylinder connection fault Cylinder
actoSTOR VIH RL
Cable defective, plug connection not correct
External current
anode fault
External current anode fault
Cylinder
Cylinder
actoSTOR VIH RL
Cable defective, plug connection not correct,
external current anode defective
Sensor T1 fault Fault in temperature sensor 1 Temperature sensor 1 Cable defective, plug connection not correct, tem-
perature sensor defective
Sensor T2 fault Fault in temperature sensor 2 Temperature sensor 2 Cable defective, plug connection not correct, tem-
perature sensor defective
Sensor T3 fault Fault in temperature sensor 3 Temperature sensor 3 Cable defective, plug connection not correct, tem-
perature sensor defective
Sensor T4 fault Fault in temperature sensor 4 Temperature sensor 4 Cable defective, plug connection not correct, tem-
perature sensor defective
Heat exchanger calci-
fied
Heat exchanger of the boiler is
calcified
Boiler See boiler instructions
VR 68/2 communica-
tion fault
Solar module VR 68/2 connection
fault
Solar module VR 68/2 Cable defective, plug connection not correct
Sensor KOL fault Collector sensor Solar module VR 68/2 Collector sensor defective
Sensor SP1 fault Fault in cylinder sensor 1, first cyl-
inder
Solar module VR 68/2 Cable defective, plug connection not correct, cyl-
inder sensor defective
Sensor SP2 fault Fault in cylinder sensor 2, first
cylinder
Solar module VR 68/2 Cable defective, plug connection not correct, cyl-
inder sensor defective
Sensor TD1 fault Fault in cylinder sensor 1, second
cylinder
Solar module VR 68/2 Cable defective, plug connection not correct, cyl-
inder sensor defective
Sensor TD2 fault Fault in cylinder sensor 2, second
cylinder
Solar module VR 68/2 Cable defective, plug connection not correct, cyl-
inder sensor defective
Solar gain sensor Solar gain sensor fault Solar gain sensor Cable defective, plug connection not correct, solar
gain sensor defective
VR 61/2 communica-
tion fault
Mixer module VR
61/2 connection fault
Mixer module VR 61/2 Cable defective, plug connection not correct
Sensor VF2 fault Fault in flow sensor VF2 Mixer module VR 61/2 Cable defective, plug connection not correct, flow
sensor defective
No radio communica-
tion
Radio communication fault
between VRC 470f and radio
receiver unit
VRC 470f radio controller
Radio receiver unit
Installation site unsuitable, controller defective,
radio receiver unit defective
Clean outside temper-
ature sensor
Fault on VR 21 outside tempera-
ture sensor/transmitter
VR 21 outside tempera-
ture sensor/transmitter
Solar cell of outside temp. sensor/transmitter
dirty, sensor/transmitter defective, installation site
unsuitable
Replace battery Radio controller fault VRC 470f radio controller Batteries in radio controller almost spent
Tab. 10.2 List of error messages
10.3 Restoring factory settings
You can reset your settings back to the factory settings
(¬ Operating instructions).