Viessmann VITOTRONIC 200 Service Instructions Manual page 107

Diagnosis (service scans)
"Heat pump"
"Compressor"/"Compressor 1"
"Compressor 2"
"Primary source 1" (status)
"Primary source 1" (output in %)
"Fan" (status)
"Fan" (rating in %)
"Alternative source"
"Disch. coolant buffer"
"Secondary pump" (status)
"Secondary pump" (pump rate in %)
"Valve heating/DHW"
"Hours run compressor"/"Hours run compressor 1"
"No. of starts comprssr"/"No. of starts comprssr 1"
"Refrig. circ reversal"
"Flow temp. primary"
"Return temp. primary"
"Evaporator temp."
"Flow temp. secondary"
"Return temp. sec."
"Inst.water heater st.1" (status)
"Inst.water heater st.1"
"Inst.water heater st.2" (status)
"Inst.water heater st.2"
"Runtime compressor"
"Refrigerant circuit"
"Refrigerant circuit controller"
[2]", "Refrigerant circuit controller [4]", "Refrigerant circuit controller [4-3] / [4-4]", "Refrigerant circuit
controller [4-6] / [4-7]", "Refrigerant circuit controller [6]" or "Refrigerant circuit controller [7] / [7-1]".
"Compressor travel"/"Compressor travel 1"
travel".
"Compressor travel 2"
"Compressor path"/"Compressor path 1"
path".
"Compressor path 2"
"Message history"
[4]", "Message history [4-3] / [4-4]", "Message history [4-6] / [4-7]", "Message history [6]" or "Mes-
sage history [7] / [7-1]".
(cont.)
(hours run)
Ú
(hours run)
Ú
: See chapter "Heat pump", "Compressor runtime".
Ú
: See chapters "Refrigerant circuit", "Refrigerant circuit controller
Ú
: See chapters "Refrigerant circuit", "Compressor travel".
Ú
Ú
: See chapters "Refrigerant circuit", "Compressor path".
Ú
: See chapter "Refrigerant circuit", "Message history [2]", "Message history
Ú
Ú
Ú
: See chapters "Refrigerant circuit", "Compressor
Ú
: See chapters "Refrigerant circuit", "Compressor
Diagnosis
107