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SiEN04-306D
Troubleshooting
Service Diagnosis
115
4.7
OL Activation (Compressor Overload)
remote control
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.139
Check No.5
Refer to P.140
Check No.6
Refer to P.141
Check No.11
Refer to P.144
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)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Discharge pipe thermistor
disconnected?
YES
Malfunctioning
∗
Discharge pipe thermistor
NO
Functioning
Functioning
Check No. 11
Check the refrigerant line.
Malfunctioning
∗
Refrigerant shortage
∗
Water mixed
∗
Stop valve defective
Check No. 6
Check the thermistors
Malfunctioning
Functioning
Check No. 4
Check the electronic expantion
valve.
Malfunctioning
Functioning
Check No. 5
Check the four way valve.
Содержание SiEN04-306D
Страница 109: ...Instruction SiEN04 306D 100 System Configuration...
Страница 199: ...Outdoor Unit SiEN04 306D 190 Removal Procedure...
Страница 200: ...SiEN04 306D Others 191 Part 8 Others 1 Others 192 1 1 Test Run from the remote control 192 1 2 Jumper Settings 193...
Страница 203: ...Others SiEN04 306D 194 Others...
Страница 214: ...SiEN04 306D Wiring Diagrams Appendix 205 FTKD18 24 28BVMS...
Страница 216: ...SiEN04 306D Wiring Diagrams Appendix 207 RKD18 24 28BVMS...
Страница 217: ...Wiring Diagrams SiEN04 306D 208 Appendix...