Nibe SPLIT ACVM270 - Page 36

8 - High HW temp. 9 High AH temp.
Is there an external addition?
YES
YES
Check the contactors QA1, QA2,
QA3 and replace if necessary.
Action-
Is the addition correctly set?
NO
NO
10 - High Supply temp. 1, 11 High Supply temp. 2
Is the flow sensor for the relevant
system correctly connected?
YES
YES
Replace the EBV board (AA22).
Action.
Defective sensor - replace.
Are the characteristics for the
sensor OK? (See "Temperature
sensor" section)
NO
NO
NIBE SPLIT ACVM270Chapter 5 | Troubleshooting36