Operation Halt Due To Compressor Startup Error - Daikin FTK25JVE9 Service Manual

Trouble shooting
5.11

Operation Halt Due to Compressor Startup Error

E6 E6 E6 E6
Remote
Controller
Display
Outdoor unit LED A
Display
Method of Compressor startup errors are detected using input current detected by CT and compressor's
operation frequency.
Malfunction
Detection
Malfunction When the inlet current is over the setting value.
∗
Decision
Conditions
"
"
Supposed
"
Causes
"
"
Troubleshooting
Check No.3
Refer to P.85
Check No.4
Refer to P.87
Check No.15
Refer to P.91
76
5
Setting value = (145 / 256 × Output frequency) - 6 (A)
When a compressor startup error is generated 16 times consecutively, the system shuts
down. (The 16 time counter resets itself when OL, insufficient gas or compressor startup
error does not occur within 60 minutes of compressor operation time (cumulative time) after
the error generation.)
Startup error due to faulty compressor.
Startup error due to faulty outdoor unit PCB.
Startup error due to closed stop valve.
Detection error due to faulty outdoor unit PCB.
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is the stop valve open?
YES
Check No. 3
Power transistor check
Is it normal?
YES
Check No. 4
Power transistor output check
Are the U, V
and W phases output in
good balance?
YES
Input current check.
Input
current is over setting
value.
YES
Check No. 15
Compressor / refrigerant system
check
Does
the error occur
16 times consecutively,
causing system
shut-down?
YES
NO
NO
NO
NO
Stop due to
compressor startup error
does not regenerate.
YES
NO
Open the stop valve fully.
Replace the outdoor PCB.
Check the harness, replace the
outdoor PCB.
NO
Replace the outdoor unit PCB.
Clogging capillary tube and replace it.
Replace the compressor.
Service Diagnosis
Si04-115
(R1953)