Dantherm HCC 260 P1 Service Manual page 33

34
Error
A B C Fault
code
4 R 1 E 4 Extract air tem-
perature sensor
(T1)
Control board
measure that
temperature
sensor is either
open or shortcut
circuit
5 R 1 E 5 Supply air tem-
perature sensor
(T2)
Control board
measure that
temperature
sensor is either
open or shortcut
circuit
6 R 1 E 6 Extract air tem-
perature sensor
(T3)
Control board
measure that
temperature
sensor is either
open or shortcut
circuit
7 R 1 E 7 Exhaust air tem-
perature sensor
(T4)
Control board
measure that
temperature
sensor is either
open or shortcut
circuit
8 - 0 E 8 Room air tem-
perature sensor
(T5)
9 - - E 9
Maintenance and care: Trouble shooting
Action
Possible cause
required
Temperature Mount temperature
sensors are not sensors correct
mounted cor-
rect
Resistance Change tempera-
in one of the ture sensors
temperature
sensors is too
low or too high
Resistance in Change control
temperature board
sensors are OK
Temperature Mount temperature
sensors are not sensors correct
mounted cor-
rect
Resistance Change tempera-
in one of the ture sensors
temperature
sensors is too
low or too high
Resistance in Change control
temperature board
sensors are OK
Temperature Mount temperature
sensors are not sensors correct
mounted cor-
rect
Resistance Change tempera-
in one of the ture sensors
temperature
sensors is too
low or too high
Resistance in Change control
temperature board
sensors are OK
Temperature Mount temperature
sensors are not sensors correct
mounted cor-
rect
Resistance Change tempera-
in one of the ture sensors
temperature
sensors is too
low or too high.
Resistance in Change control
temperature board
sensors are OK
Only shown on wireless remote
Not used
Reset
Automatic reset
if temperature
is within normal
range for 30
seconds
Automatic reset
if temperature
is within normal
range for 30
seconds
Automatic reset
if temperature
is within normal
range for 30
seconds
Automatic reset
if temperature
is within normal
range for 30
seconds
Automatic reset