Readings On The Display - Bosch ZBR16-3A Installation And Service Instructions Manual

15

Readings on the display

The boiler display can provide the following information
(Tab. 35 and 36):
Value displayed Description
Number or letter, dot Service function
followed by letter ( Tab. 27 / 28, page 66)
Letter followed by Fault code
number or letter ( Tab. 37, page 91) (excep-
tion: b.A = service function)
Three numbers Decimal value, e.g. supply
(≤ 199) temperature
One number (dis- Decimal figure (three digits);
played for longer) fol- first digit is shown alternating
lowed by two with two last digits
numbers (displayed (e.g. 2.69..69 for 269)
briefly)
Two dashes followed Code is shown in three stages:
by two pairs of num- 1. Two dashes 2. First two
bers digits 3. Last two digits
(e.g. -- 10 04)
Two letters followed Code is shown in three stages:
by two pairs of num- 1. Two letters 2. First two
bers digits 3. Last two digits
(e.g. CF 10 20)
Tab. 35 Display readings
Copyright (optional information)
Status
code
Range
00..199
0..999
1000 ...
9999
Tab. 36 Special displays
Readings on the display | 89
Description
Acknowledge by pressing any button (except reset).
Acknowledge by pressing two buttons
simultaneously
Acknowledge by pressing
than 3 seconds (Save function).
The display shows the supply temperature in alter-
nation with . The appliance works for 15 minutes
at the minimum nominal output,
service function 2.F.
The display shows the supply temperature in alter-
nation with . The appliance works with the set
maximum output in heating mode,
service function 1.A.
The display shows the supply temperature in alter-
nation with . The appliance works for 15 minutes
at the maximum nominal output,
service function 2.F.
The air purging function is active,
2.C
The display shows the supply temperature in alter-
nation with . The trap filling sequence is active,
service function 4.F.
The display shows the supply temperature alternat-
ing with : Service reminder,
service function 5.A.
The display shows the supply temperature in alter-
nation with . The pump may have seized,
fault E.9.
The display shows the supply temperature in alter-
nation with . The temperature gradient limiter
was triggered. Excessive supply temperature
increase: Heating mode is suspended for two min-
utes.
Slab drying function of the FW200 outdoor reset
control ( operating instructions) or building drying
function ( service function 7.E) are activated.
Key pad lock enabled. To unlock the key pad, press
until the supply temperature is shown on the
display.
6 720 643 068 (2011/06)
and holding for more
service function