37
Scanning and resetting the "Service" display
The red fault indicator flashes when the limits set via coding address "21" and "23"
have been reached. The programming unit display flashes:
■ On a constant temperature control unit:
The defaulted hours run or the defaulted interval with clock symbol "
u
" (subject to
setting)
■ On a weather-compensated control unit:
"Service"
Note
Set code "24:1" and then code "24:0" if a service is carried out before the service
display is shown
;
the set service parameters for hours run and interval are then reset
to 0.
Press the following keys:
1.
c
The service scan is active.
2.
a
/
b
Scan service messages.
3.
d
The service display will be
cleared (for a weather-com-
pensated control unit:
"Acknowledge: Yes", recon-
firm with
d
).
The red fault display contin-
ues to flash.
Note
An acknowledged service message can
be redisplayed by pressing
d
(approx.
3 s).
After a service has been carried out
1.
Reset code "24:1" to "24:0".
The red fault indicator extinguishes.
Note
If coding address "24" is not reset, the
"Service" message reappears:
■ On a constant temperature control
unit:
After 24 hours
■ On a weather-compensated con-
trol unit:
At 07:00 h on Monday
2.
Reset the burner hours run, burner
starts and consumption, if required.
Press the following keys:
c
Scanning is active.
a
/
b
for the selected value.
e
The selected value will be set
to "0".
a
/
b
for further scans.
d
Scanning is completed.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 760 GB
Summary of Contents for VITOCONTROL-S, WB2B
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