Danfoss VLT HVAC Drive FC 102 Design Manual page 238

General Specifications and ...
ALARM 96, Start delayed
Motor start has been delayed due to short-cycle
protection. 22-76 Interval between Starts is enabled.
Troubleshoot the system and reset the adjustable
frequency drive after the fault has been cleared.
WARNING 97, Stop delayed
Stopping the motor has been delayed due to short cycle
protection. 22-76 Interval between Starts is enabled.
Troubleshoot the system and reset the adjustable
frequency drive after the fault has been cleared.
WARNING 98, Clock fault
Time is not set or the RTC clock has failed. Reset the clock
in 0-70 Date and Time.
WARNING/ALARM 104, Mixing fan fault
The fan monitor checks that the fan is spinning at drive
power-up or whenever the mixing fan is turned on. If the
fan is not operating, then the fault is annunciated. The
mixing-fan fault can be configured as a warning or an
8 8
alarm trip by parameter 14-53 (Fan Monitor).
Troubleshooting cycle power to the adjustable frequency
drive to determine if the warning/alarm returns.
WARNING 200, Fire mode
This indicates the adjustable frequency drive is operating
in fire mode. The warning clears when fire mode is
removed. See the fire mode data in the alarm log.
WARNING 201, Fire Mode was Active
This indicates the adjustable frequency drive had entered
fire mode. Cycle power to the unit to remove the warning.
See the fire mode data in the alarm log.
WARNING 202, Fire mode limits exceeded
While operating in fire mode one or more alarm conditions
have been ignored which would normally trip the unit.
Operating in this condition voids unit warranty. Cycle
power to the unit to remove the warning. See the fire
mode data in the alarm log.
WARNING 203, Missing motor
With an adjustable frequency drive operating multi-motors,
an underload condition was detected. This could indicate a
missing motor. Inspect the system for proper operation.
WARNING 204, Locked rotor
With an adjustable frequency drive operating multi-motors,
an overload condition was detected. This could indicate a
locked rotor. Inspect the motor for proper operation.
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Design Guide
WARNING 250, New spare part
A component in the adjustable frequency drive has been
replaced. Reset the adjustable frequency drive for normal
operation.
WARNING 251, New typecode
The power card or other components have been replaced
and the type code changed. Reset to remove the warning
and resume normal operation.
Danfoss A/S © Rev. 2014-01-13 All rights reserved. MG16C122