Daikin FTKS20DVMW(L), Руководство по обслуживанию

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SiENBE04-507A Troubleshooting
Service Diagnosis 121
4.9 OL Activation (Compressor Overload)
Remote
Controller
Display
E5
Method of
Malfunction
Detection
A compressor overload is detected through compressor OL.
Malfunction
Decision
Conditions
„ If the compressor OL is activated twice, the system will be shut down.
„
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
∗
The operating temperature condition is not specified.
Supposed
Causes
„ Refrigerant shortage
„ Four way valve malfunctioning
„ Outdoor unit PCB defective
„ Water mixed in the local piping
„
Electronic expansion valve defective
„ Stop valve defective
Troubleshooting
Check No.4
Refer to P.144
Check No.5
Refer to P.145
Check No.6
Refer to P.146
Check No.11
Refer to P.148
Insert the thermistor in
position.
Replace the discharge pipe
thermistor.
Replace the valve itself or
the coil.
Replace the four way valve
coil or the valve itself.
Replace the outdoor unit
PCB.
Refer to the refrigerant line
check procedure.
Replace the outdoor unit
PCB.
(R2841)
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Discharge pipe thermistor
disconnected?
Check No. 11
Check the refrigerant line.
Check No. 6
Check the thermistors
Check No. 4
Check the electronic
expantion valve.
Check No. 5
Check the four way valve.
Caution
YES
NO
Functioning
Functioning
Functioning
Functioning
Malfunctioning
Malfunctioning
Malfunctioning
Malfunctioning
∗
Refrigerant shortage
∗
Water mixed
∗
Stop valve defective
∗
Discharge pipe thermistor