Vitovent 200-W/300-C/300-W Message History - Viessmann VITOTRONIC 200 Service Instructions Manual

Ventilation
(cont.)

Vitovent 200-W/300-C/300-W message history

Message history of the connected ventilation unit:
Messages cannot be acknowledged in the message
■
history.
■ Messages are listed in chronological order. The most
recent message is listed first.
■ Up to 30 entries are stored.
1. Service menu:
Press OK + simultaneously and hold for
å
approx. 4 s.
2. "Diagnosis"
3. "Ventilation"
4. "Message history"
Message overview
A B
Message history
0 09.09.2009 17:16:00
1 09.09.2009 17:16:01
2 09.09.2009 17:16:02
3 09.09.2009 17:16:03
Back with
Fig. 25
Message number
A
Date and time of the last occurrence
B
2-digit message code
C
Type of message: "Note", "Warning", "Fault"
D
Frequency of occurrence
E
Message Meaning
code
03 Time interval for filter
W
change has expired.
04 Short circuit/lead break,
S
external temperature sen-
sor (geothermal heat ex-
changer)
C D E
06 Fault 7
0A Fault 3
03 Note 11
10 Fault
1
Ventilation unit character-
istics
Ventilation unit remains op-
erational, increased electri-
cal power consumption.
3-way diverter damper for
geothermal heat exchanger
(on-site provision) is not
switched.
Should a message occur at the ventilation unit, a mes-
sage concerning the ventilation unit will also be dis-
played at the heat pump control unit. Which message
will be displayed at the heat pump depends on the
type of message at the ventilation unit: See "Message
overview" for the heat pump control unit.
Type of message at Message at the heat pump
the ventilation unit control unit
"Note" "0F Ventilation unit"
H
W "Warning" "A0 Vent.: check filter(s)"
"Fault" "0E Ventilation unit"
S
Measure
Clean outdoor air and extract air fil-
ters. In the event of severe contamina-
tion replace both filters at least once
every 12 months.
Reset service indicator.
Check resistance value (NTC 10 k
at connection X15.7/X15.8 on the con-
troller PCB of the ventilation unit: See
installation and service instructions for
the ventilation unit.
Diagnosis
)
Ω
135