Troubleshooting Overview - Viessmann VITOTRONIC 200 Service Instructions Manual

Troubleshooting
Overview
(cont.)
PCBs
Main PCB
Expansion PCB on main PCB
Cross connect PCB
Luster terminals, Vitocal 100-S/200-A/200-S
Luster terminals, Vitocal 111-S/222-A/222-S
Luster terminals, Vitocal 222-G/333-G
Vitocal 100-S/200-A/200-S/300-A controller and sensor PCB
Controller and sensor PCB, Vitocal 111-S/222-A/222-S/222-
G/333-G
EEV PCB [2]
EEV PCB [4]
EEV PCB [4-3] / [4-4]
EEV PCB [4-6] / [4-7]
Controller PCB and EEV PCB [6]
Main PCB [7] / [7-1]
Function check
Restore factory settings (reset).
Calling up messages
When there is a message, the associated message
symbol flashes on the display.
The message text and message code are displayed by
pressing OK: See "Message overview".
Note
Outside sensor
Power-OFF
Acknowledge with
Fig. 13
Explanation of messages
Fault " "
In addition, the red fault indicator flashes on the heat
■
pump control unit.
■ The system is no longer in standard mode. The fault
should be remedied without delay.
■ The central fault message connection is activated.
■ Message via communication interface, e.g. Vitocom,
is possible
74
Warning " "
The appliance operates with limited functionality.
Remove the cause for the warning.
Note "
The appliance is ready for use. Observe the note.
Acknowledging messages and recalling acknowl-
edged messages
18
C5
Note
■
OK
■
Calling up messages from the message history
■
■
■
X X
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X
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X
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X
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"
"Vitotronic 200" operating instructions
Any signalling equipment (e.g. an alarm) that is con-
nected will be deactivated when the fault message is
acknowledged.
If the cause of the fault cannot be removed until a
later time, the fault message will be redisplayed the
following day. The signalling equipment is switched
on again (if installed).
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.
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