Bosch KM3211WH Installation & Owners Manual page 36

Troubleshooting-3
Please check the failure display on the remote controller or the
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.
Failure display Details of Failure
11 Fault occurs with the ignition
switch at the hot water supply
F11
side.
99
Fault occurs with combustion of
the unit.
F99
[Combustion lamp is lit. (
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
• Any other error code appears.
• An error code is indicated again after the above actions were followed.
• There are any other questions.
36
combustion lamp on the main body.
(if using RCM3211)
P6)]
Details of Failure
• Fault occurs with the unit.
Contact a Bosch service dealer if:
Failure display blinks
(This display is an example.)
Remedy
Turn the power "Off", make sure that the gas valve
is open and that the gas meter (microcomputer
meter) has not shut off the gas, and if this is the
problem, please rectify it. Then, turn the power
"On", and when the hot water tap is turned on, it is
back to normal if nothing is displayed.
Please contact your retailer or gas supplier.
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)