Bosch BC3200RA Owner's Manual page 35

Please check the failure display on the remote controller or
the combustion lamp on the main body.
[Remote controller]
In the event of a failure, the cause is
notified by a blinking failure display.
Please resolve the problem in
accordance with the table below.
Display Description
*(F) 11
Ignition failure
*(F) 29
Clogging of neutralizer
*(F) 90
Combustion Abnormality
(burner sensor detects high temperature)
*(F) 92
The neutralizer needs to be
replaced soon.
Combustion Abnormality
*(F) 99
(appliance shuts down)
*(F) ## indicates an error code from the secondary unit in a quick connect (2-unit) pack.
[Combustion lamp]
In the event of a failure, you are notified by the combustion lamp blinking at the front of the unit.
Please resolve the problem in accordance with the table below.
Combustion lamp
Continuously blinking
Lit
Unlit
Operating Instructions
(if using RCM3211)
Details of Failure
• Fault occurs with the unit.
Failure display blinks
(This display is an example.)
Remedy
Check whether the gas supply is off.
Reset by turning off and on the power on/off button of
remote controller.
It turns back to normal when no error displays after running
hot water.
If the error still persists, call service.
Call service.
Reset by turning off and on the main power.
If the error still persists, call service.
Call service.
Reset by turning off and on the main power.
If the error still persists, call service.
Remedy
Make sure that the gas valve is open.
Close the hot water tap, then reopen it, and
it is back to normal if the combustion lamp is
no longer lit.
(if using RCS3211)
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