Specifications

7 181 465 346 GB (03.02)
26
Failure identification procedure
CC flashing.
Outside temperature NTC sensor not detected.
(Boiler heating as if outside temperature is -20˚C)
Check Action
1. Outside temperature sensor AF2
connected to Terminals A and F on
TA 211 E?
yes: ↓2.
no: B Power OFF the appliance.
B Connect outside temperature sensor to Termi-
nals A and F on TA 211 E.
B Turn ON the appliance.
CC? ↓2.
2. B Power OFF the appliance.
B Disconnect outside temperature
sensor and test resistance
R = ∞ or R = 0?
B Change the external sensor.
B Turn ON the appliance.