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E
RRORS
P
ROBLEM
Only for models with
heating: The unit is not
heating or not heating
sufficiently.
5.2
Remedying errors that are accompanied by an error message
E
RROR MESSAGE
The malfunction lamp is lit up.
5.3
Reading out errors
5.4
Error codes registers
B
V
IT
ALUE
3
8
en-60
P
ROBABLE CAUSE
The maximum discharge temperature is
limited.
Only for water-heated models: The central
heating system is not working properly.
See also:
2.12
P
ROBABLE CAUSE
The filter is letting insufficient air
through, due to contamination.
See also:
6.2
Errors are recorded with a binary code in two registers.
In the log file "log_error.csv", which can be read out with a
USB flash drive, the errors are indicated with a numeric value.
Error codes register 216/ErrorFlags[0]
_
.
LOG
ERROR
CSV
V
C
ALUE
3
E7
W
HAT TO DO
Check the value at
charge temperature
Check the central heating system.
• Check the connections.
• Check the operation.
• Check the capacity.
"Connecting the unit to the mains supply" on page 27
W
HAT TO DO
Check the filter for contamination.
Clean or replace it if necessary.
You can adjust the pressure differ-
ence meter over the filter to make
it emit a dirty filter signal either
sooner or later.
"Replacing the filter" on page 64
D
ODE
ESCRIPTION
Fan error
H
EAT RECOVERY UNIT
46. Maximum dis-
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