Daikin SUT00D4016-30, Operating Manual

Page: 87 / 99

PIM00413
13-5
Warning
Code
Name Reason Countermeasures
Motor cooling fan is stopped
・ Replace the fuse for motor
cooling fan
・ Replace the motor cooling fan
・ Replace the controller
Radiator is clogged
・ Replace or clean the radiator
Rotation speed of the motor is
rising
・
Check the leakage amount in
the main unit side circuit
・ Check the setting of the high-
pressure safety valve
・
Replace the motor pump
L44
Motor temperature
abnormal warning
Motor temperature exceeded
the specified value 83
℃
for
10 seconds or more
The ambient temperature is
high
・ Install it in the place where the
ambient temperature is within
the required range
・
Install in well-ventilated place
The cooling fan for controller
is stopped
・ Replace the fuse for cooling
fan
・
Replace the cooling fan
・ Replace the controller
Radiator is clogged
・ Replace or clean the radiator
L45
Fin temperature abnormal
warning
Fin temperature exceeded the
specified value 73
℃ for 10
seconds or more
Rotation speed of the motor is
rising
・
Check the leakage amount in
the main unit side circuit
・ Check the setting of the high-
pressure safety valve
・
Replace the motor pump
The power supply voltage is
low
・
Check the power supply voltage
in monitor mode [n12: main
circuit voltage], and make it in
the required range
L50
Power supply voltage drop
warning
Main circuit DC voltage is
below the specified
value:DC430V(Power supply
voltage convertion
AC304V)-2 sec.
Failure of the controller
・
Replace the controller
The power supply voltage is
low
・
Check the power supply voltage
in monitor mode [n12: main
circuit voltage], and make it in
the required range
Pump failure
・
Replace the motor pump
L60
Pressure deviation
abnormal warning
Current command is
saturated
Encoder phase is shifted by
noise (no F)
・
Add a noise filter
Setting mistake of pressure
switch setting value
・
Check the pressure switch
setting value
L62
Pressure drop warning
Pressure switch is activated
for 30 seconds or more
consecutive.
Oil leakage from main engine
・ Improve the oil leakage in
main unit side
L63
Pressure switch activation
Pressure switch is activated
Pressure becomes less than the
setting value of the parameter
"P01: Pressure switch"
・
If there is no abnormality in
main machine, please review
the parameter settings for the
pressure switch.
Please refer to
the "12.5 Pressure switch
setting" for more information.