ALARM 92, NoFlow:
A no load situation has been detected for the system. See parameter
group 22-2*.
ALARM 93, Dry Pump:
A no flow situation and high speed indicates that the pump has run dry.
See parameter group 22-2*
ALARM 94, End of Curve:
Feed back stays lower than the set point, which may be indicates a leak-
age in the pipe system. See parameter group 22-5*
ALARM 95, Broken Belt:
Torque is below the torque level set for no load indicating a broken belt.
See parameter group 22-6*
ALARM 96, Start Delayed:
Start of the motor has been delayed due to short cycle protection is ac-
tive. See parameter group 22-7*.
ALARM 250, New Spare Part:
The power or Switch Mode Power Supply has been exchanged. The fre-
quency converter type code must be restored in the EEPROM. Select the
correct type code in Par 14-23 according to the label on unit. Remember
to select ‘Save to EEPROM’ to complete.
ALARM 251, New Type Code:
The frequency converter has got a new type code.
9. Troubleshooting
VLT
®
AQUA Drive
Operating Instructions
146
MG.20.M5.02 - VLT
®
is a registered Danfoss trademark
9
