Daikin Super Unit SUT00D8021-30, Operation Manual

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PIM00424
13-4
Alarm
Code
Name Reason Countermeasure
The heat dissipation fin
thermistor is short-circuited or
disconnected
Failure of the controller
・
Replace the controller
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
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 ambient temperature is high
・
Install it in the place where the
ambient temperature is within the
required range
・
Install in well-ventilated place
E43
Fin temperature abnormal
rise
Fin temperature exceeded the
specified value over 30 seconds
or more
Failure of the controller
・
Replace the controller
Oil level is low
・
Inject the hydraulic oil
Stop valve is closed
・
Open the stop valve
E64 Drying operation error
Start the pump when the oil
level is low
It takes time to suction oil
・
Reduce the parameter value of
"P35: Dry running judgment
pressure ", "P36: Dry running
judgment time "
CPU is out of control
・
Accidental abnormal (It is
possible to continue)
E91 CPU is out of control
Program execution time is
abnormal
・
Replace the controller or control
board
E93 EEPROM data error (1)
The stored parameter setting
value is out of range
EEPROM data error
E94
EEPROM data error (1)
The stored parameter setting
value is out of range
EEPROM data error
・
The "E94" or "E93" and the
abnormal parameter is displayed
alternately on the display panel.
Please set the setting value of the
displayed parameter number
within its range
13.1.3
Warning
The actual pressure and the following warning code is displayed alternately on the operation panel, if a warning
occurs.
The warning signal will be output in accordance with the setting values of parameters. Please refer to
"13.1.1 Output signal of the protection function" for more information.
In warning state, the unit will continue operating. However, there is a possibility that the protection function will be
activated and an alarm will be generated, if you continue operating, ignoring the warning state.
◆
Warning causes and countermeasures
Warning
Code
Name Reason Countermeasures
L44 Motor temperature
abnormal warning
Motor temperature exceeded
Motor cooling fan is stopped
・
Replace the fuse for motor
cooling fan
・
Replace the motor cooling fan
・
Replace the controller