3. Troubleshooting
Situation Solution
The +5 volt supply voltage for
electronics is too high.
Replace the Fan & Motor control board.
Error 7945 : “5V voltage low”
This is a warning.
Situation Solution
The +5 volt supply voltage for
electronics is too low.
Replace the Fan & Motor control board.
Error 7952 : “VMTR voltage high”
This is a warning.
Situation Solution
The supply voltage “VMTR” for the
motors is too high.
Replace the Fan & Motor control board.
Error 7953 : “VMTR voltage low”
This is a warning.
Situation Solution
The supply voltage “VMTR” for the
motors is too low.
Replace the Fan & Motor control board.
Error 7954 : “VTEC voltage high”
This is a warning.
Situation Solution
The supply voltage for the
thermoelectric cooling (Peltier
elements) is too high.
Replace the Fan & Motor control board.
Error 7955 : “VTEC voltage low”
This is a warning.
Situation Solution
The supply voltage for the
thermoelectric cooling (Peltier
elements) is too low.
Replace the Fan & Motor control board.
Error 7956 : “30V voltage high”
This is a warning.
Situation Solution
The supply voltage “30V” from which
all fan supplies are subdivided is
too high.
Replace the Fan & Motor control board.
Error 7957 : “30V voltage low”
This is a warning.
R59770072 FLM SERIES 19/03/2007
47
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