Service actions
NOTE
Servicing should only be carried out by persons
with the necessary expertise.
When replacing components on F1145 only
replacement parts from NIBE may be used.
EMERGENCY MODE
NOTE
The switch (SF1) must not be moved to "" or
" " until F1145 has been filled with water.
Component parts in the product can be dam-
aged.
Emergency mode is used in event of operational inter-
ference and in conjunction with service. Hot water is
not produced in emergency mode.
Emergency mode is activated by setting switch (SF1)
in mode " ". This means that:
• The status lamp illuminates yellow.
• The display is not lit and the control computer is not
connected.
• The temperature at the immersion heater is controlled
by the thermostat (FQ10). It can be set either to 35
or 45 °C.
• The compressor and the brine system are off and only
the heating medium pump and the electric additional
heat are active. The additional heat power in emer-
gency mode is set in the immersion heater board
(AA1). See page 25 for instructions.
The image shows an example of what a cooling section
could look like.
QM34
QM32
SF1
QM33
XL1
XL6 XL7
XL2
FQ10
XL9
QM31
NIBE F1145Chapter 9 | Service58
9 Service
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