Daikin MICROTECH III Operating Manual page 52

10.8.7 Compressor Starter Fault
This alarm is generated any time starter fault input is open or if the compressor has been running for at least 14 seconds
and starter fault input is open
Symptom
Circuit status is OFF.
Bell icon is moving on controller's
display.
String in the alarm list:
C# Cmp1 OffStarterFlt
String in the alarm log:
C# Cmp1 OffStarterFlt
String in the alarm snapshot
C# Cmp1 OffStarterFlt
Reset
Local HMI
Network
Auto
10.8.8 High Motor Temperature
This alarm indicates that the motor temperature has exceeded the maximum temperature limit for safe operations.
Symptom
Circuit status is Off.
The compressor does not load
anymore or even unload, circuit is
stopped.
Bell icon is moving on controller's
display.
String in the alarm list:
CxCmp1 OffMotorTempHi
String in the alarm log:
CxCmp1 OffMotorTempHi
String in the alarm snapshot
CxCmp1 OffMotorTempHi
Reset
Local HMI
Network
Auto
D–EOMWC00A07-16_02EN
Cause
Contactors may be broken or weared



Cause
Insufficient motor cooling.
Motor temperature sensor could not
operate properly.



Operation Manual
Solution
Check if contactors operate
properly.
Check the status of the electrical
internal contacts.
check the integrity of fuses.
Check for problem in wiring
connection between contactors unit
controller.
Notes
Solution
Check refrigerant charge.
Check if operational envelope of the
unit is respected.
Check the readings of the motor
temperature sensor and check the
Ohmic value. A correct reading
should be around hundreds of Ohm
at ambient temperature.
Check the electrical connection of the
sensor with the electronic board.
Notes
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