Displays; Fault Mode; Troubleshooting - Bosch WBN 6000-30-H-E-N/L-S2400 Installation And Maintenance Instructions Manual

28 | Displays

14 Displays
The display shows the following (tab.Fig. 18 andFig. 19):
Value displayed
Number, point, number or
letter, point followed by a
letter
Letter followed by number or
letter
Two numbers or one number,
point followed by number
or
Three numbers
Table 18 Displays
Special display Description
Venting function enabled (approx. 2 minutes).
Summer mode (appliance frost protection)
e.g. EA Fault code ( chapter 15.1)
Fan stage 0 is set,
 service function 2.b.d.
only Standby
Table 19 Special displays
8 716 473 216 (2014/09)
Description
Service function
( Tab. 11 to Tab. 13, page 19 to 21)
Fault code flashes
( Tab. 20, page 29)
Decimal figure
e.g. flow temperature
15

Fault mode

15.1 Troubleshooting

DANGER: Risk of explosion!
▶ Turn off gas valve before working on gas-carrying
components.
▶ Check for leaks before working on gas-carrying
components.
DANGER: Risk of poisoning
▶ Check for leaks before working on gas-carrying
components.
DANGER: Risk of electric shock
▶ Before carrying out work on electrical components,
disconnect the power supply (240 V AC) (fuse, circuit
breaker) and secure against unintentional
reconnection.
WARNING: Risk of scalding
Hot water can lead to severe scalding.
▶ Close all valves and possibly drain appliance prior to
working on parts carrying water.
NOTICE: Escaping water can damage the
electronics.
▶ Cover the electronics prior to working on
parts carrying water.
All safety, modulation and control components are monitored by the
Heatronic system.
If a fault occurs during operation, the display shows the
possibly , and a fault code (e.g. EA) flashes.
If and appear:
▶ Press and hold down OK until the
displayed.
The appliance will start up again and the flow temperature will be
displayed.
If only appears:
▶ Switch the appliance first off and then on again by means of the
standby key.
The appliance will start up again and the flow temperature will be
displayed.
If a fault persists:
▶ Contact your approved installer or Customer Service for assistance,
providing details of the fault and the appliance.
For an overview of faults, see page 29.
For an overview of displays, see page 28.
If a fault persists:
▶ Check the circuit board, replace it if required and reset the service
functions.
symbol and
and symbols are no longer
Gaz 6000 W