Bosch FB 100 Installation And Operating Instructions Manual page 45

US/CA
Display ( Item 1, 3 and 4 in fig. 15
Text
Fault 19
Unable to save parameter settings
Fault 20
System configuration: invalid
Invalid heating circuit ID. With FW200 ID
must be between 1 and 4.
Fault 21
System configuration: new bus device
New remote control detected. Check and
modify system configuration
Fault 22
System configuration: bus device missing
IPM with ID 1 not detected. Check
connection and ID.
Fault 23
System configuration: bus device changed
or replaced
Check system configuration for heating
circuit x and connections on IPM for heating
circuit x.
Fault 24
System configuration: incompatible bus
device
IPM for tank must be set to ID 3 or higher.
Fault 27
FW200 not found!
Fault 28
Remote control is installed in boiler
Fault 29
Unable to save parameter settings
Fault 30
Mixer temperature sensor defective
Fault 31
External heating supply temperature sensor
defective
1) The display text is shown on the BUS device (e.g. remote control) that detected the fault. On the other BUS
devices, instead of this, the code is displayed and corresponds to the display test.
Code Cause
202 BUS device is configured but
not available at present.
1)
192 See display text
137
139
178
179
1)
159 See display text
119
1)
191 See display text
155 Remote control installed in
boiler.
202 BUS device is configured but
not available at present.
7 Mixer temperature sensor (MF)
connected to IPM defective.
6 Common temperature sensor
(VF) connected to IPM
defective.
Troubleshooting | 45
Remedy (by installer)
Check system layout, check
system configuration, modify if
necessary and set parameter
again.
Check BUS connection and
repair disconnect if necessary.
Mount remote control in living
area.
Check system structure, check
system configuration, adjust as
necessary and reset
parameters on remote control.
Check mixer temperature
sensor (MF) and replace if
necessary.
Check common temperature
sensor (VF) and replace if
necessary.
6 720 643 259 (2010/05)