Viessmann GC1 Installation And Service Instructions

106
Service scans
Service level summary
Function Entry Exit Page
User check in
conjunction with a
LON system
Press L and d
simultaneously for approx.
2s
Press L and d
simultaneously for
approx. 1s
100
Relay test Press K and d
simultaneously for approx.
2s
Press d 104
Temperatures,
boiler coding card
and brief scans
Press K and G
simultaneously for approx.
2s
Press d 107
Operating
conditions
Press c Press c 109
Maintenance
display
Press d 111
Calling up
acknowledged fault
messages
Press d for approx. 2 s Press d 111
Troubleshooting Press d 112
Calling up
acknowledged fault
messages
Press d for approx. 2 s Press d 11 2
Fault history Press G and d
simultaneously for approx.
2s
Press d 121
Resetting codes to
the delivered
condition
Press L and G
simultaneously for approx.
2s; press e
 139
Code 1 Press K and L
simultaneously for approx.
2s
Press K and L
simultaneously for
approx. 1s
139
Code 2 Press L and G
simultaneously for approx.
2s
Press L and G
simultaneously for
approx. 1s
141
5862730GB

Viessmann GC1 Specifications

General

Brand	Viessmann
Model	GC1
Category	Control Unit
Language	English