Daikin Super Unit SUT00S8007-30, Operation Manual

Page: 79 / 95

PIM00424
13-1
Chapter 13 Troubleshooting
13.1
Protection function
13.1.1
Output signal of the protection function
The table below is output signal of the protection function, depending on the setting of parameter "P08: Alarm
output mix".
○
: Circuit is conducting ×: Circuit is not conducting
P08:
Alarm output mix
0: Individual output
2: Pressure switch function expansion
1: Integrated output
Relay output Relay output
Alarm Description
A contact B contact
Digital output
DO2
A
contact
B contact
Digital output
DO2
Power OFF ×
○
× ×
○
×
Power ON: Normal
○
×
○ ○
× ×
Alarm occurs Indefinite Indefinite × ×
○
×
L63: Pressure switch
operation
×
○ ○
×
○
×
Warning occurs
○
×
(*1)
×
○
×
(*1) : It depends on the setting of ”P07: Warning output level setting”. Please refer to "12.4.1 Parameters" for more
information.
13.1.2
Alarm
If the protection function is activated, the alarm will be raised. And the alarm code below will be displayed on the
operation panel.
If an alarm occurs, the pump will be stopped, and the alarm signal will be output.
Please refer to the "13.1.1 Output
signal of the protection function " for more information.
◆
Alarm reason and countermeasures
Alarm
Code
Name Reason Countermeasure
Layer short of the motor coil
・
Replace the motor pump
Short circuit of the motor
・
Replace the motor pump
Damage of the controller
・
Replace the controller
Encoder connector is
disconnected
・
Connect the encoder connector
Damage of the encoder harness
・
Replace the encoder harness
E09 Output device error 1
Overcurrent protection of the
output device is activated
Failure of the encoder
・
Replace the motor pump
Layer short of the motor coil
・
Replace the motor pump
Short circuit of the motor
・
Replace the motor pump
Damage of the controller
・
Replace the controller
Encoder connector is
disconnected
・
Connect the encoder connector
Damage of the encoder harness
・
Replace the encoder harness
E10 Output device error 2
Overcurrent protection of the
output device is activated
Failure of the encoder
・
Replace the motor pump
Encoder connector is
disconnected
・
Connect the encoder connector
E11 Instantaneous overcurrent
Motor output current exceeded
the specified value
Damage of the encoder harness
・
Replace the encoder harness