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

Diagnosis
Ventilation
(cont.)
Display Meaning
"Detection, frost Icing up of heat exchanger was recognised due to supply air
pr.min. temp:" temperature being too low: Remaining time until defrost function
becomes active.
"Diff. pressure Status of differential pressure switch for outdoor air filter and/or
switch ODA:" extract air filter
"Responded"
"Diff. pressure As for "Diff. pressure switch ODA:"
switch ETA:"
"Bypass function:" "Ventilation"
"Cooling"
"Heating"
"Passive de-
frost"
"Defrosting w
PHR"
"Voltage EHA:" Control voltage, exhaust air fan
"Voltage SUP:" Control voltage, supply air fan

Message history Vitovent 200-C/300-F

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 and hold OK +
approx. 4 s.
2. "Diagnosis"
3. "Ventilation"
4. "Message history"
132
Differential pressure has exceeded response
value of differential pressure switch. The
standard menu shows "Vent.: check filter(s)".
Bypass disabled
Bypass active, passive cooling active
Bypass active, passive heating active
Defrost function for heat exchanger is active.
Electric preheating coil is switched off.
Defrost function for heat exchanger is active.
Electric preheating coil is switched on.
simultaneously for
å
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. 24
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
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.
Vitovent
200-C 300-F 200-W
300-C
300-W
X
— —
X
— —
X
— —
X X X
X X X
X X
—
X
— —
X
— —
X X X
X X X
C D E
06 Fault 7
0A Fault 3
03 Note 11
10 Fault
1