Daikin FTK35JAVET User Manual

Si18-201 Troubleshooting - Outdoor Unit Related
Service Diagnosis 271
3.3.9 Operation Halt Due to Faulty Position Detection Sensor
Outdoor Unit
Indication
H6
Method of
Malfunction
Detection
Faulty start of the compressor is detected by checking the turning information of the compressor
via position detector of electrical parts.
Malfunction
Decision
Conditions
When the compressor did not turn in approximately 15 seconds after starting operation.
Frequency: 4 times
Clear condition: 60-minute continuous run (normal)
Supposed
Causes
"
Incorrect detection due to disconnected relay of compressor
"
Malfunction to start due to faulty compressor
"
Malfunction to start due to faulty outdoor unit PC board
"
Malfunction to start due to stop valve "closed"
"
Incorrect detection due to faulty outdoor unit PC board
"
Input voltage error
Troubleshooting
Check No.6
Refer to P.303
Check No.7
Refer to P.304
YES
Correct the connection.
Replace electrical parts.
Correct the connection.
Replace outdoor PC board.
Check harness.
Replace outdoor unit PC
board.
Replace compressor.
(MF028)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is it 300-350V?
NO
YES
Is harness
of electrical parts or
compressor correctly
connected?
YES
Is harness of
electrical parts correctly
connected?
Is it normal?
NO
Do respective
phases, U,V,W, output in
good balance?
Check No. 6
Capacitor voltage check
NO
NO
Check No. 6
Power transistor check
YES
Check No. 7
Power transistor output check
NO
YES

Daikin FTK35JAVET Specifications

General

Brand	Daikin
Model	FTK35JAVET
Category	Heat Pump
Language	English