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Troubleshooting
Si12-411A
184
Service Diagnosis
5.12 Compressor Lock
Remote
Controller
Display
E6
Outdoor Unit LED
Display
A
5
1
1
2
4
3
4
4
1
Method of
Malfunction
Detection
A compressor lock is detected by checking the compressor running condition through the
position detection circuit.
Malfunction
Decision
Conditions
The position detection circuit detects a compressor frequency of below 10 Hz for 20 seconds
or a frequency of above 160 Hz.
40 seconds after the compressor has started, the position detection circuit detects a
compressor frequency of above 180 Hz.
The system will be shut down if the error occurs 16 times.
Clearing condition: Continuous run for about 5 minutes (normal)
Supposed
Causes
Compressor locked
Troubleshooting
Turn off the power. Disconnect the
harnesses U, V and W.
∗
Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
Replace the compressor.
Check the electronic
expansion valve.
Replace it as required.
Replace the compressor.
(R2842)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
NO
YES
YES
System shut
down after errors repeated
several times?
NO
NO
Normal?
YES
Emergency stop
without compressor
running?
Check with the inverter checker (
∗
).
Turn off the power and reconnect
the harnesses. Turn on the power
again and get the system restarted.
Содержание FTKE25BVM
Страница 1: ...C Series Applied Models zInverter Multi Cooling Only zInverter Multi Heat Pump Si12 411A...
Страница 6: ...Si12 411A Table of Contents v Index i Drawings Flow Charts v...
Страница 7: ...Si12 411A vi Table of Contents...
Страница 67: ...Specifications Si12 411A 56 Specifications...
Страница 81: ...Printed Circuit Board Connector Wiring Diagram Si12 411A 70 Printed Circuit Board Connector Wiring Diagram...
Страница 131: ...Instruction Si12 411A 120 System Configuration CDK X D 25 35 50 60 C Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2...
Страница 173: ...Instruction Si12 411A 162 System Configuration...
Страница 227: ...Check Si12 411A 216 Service Diagnosis...
Страница 268: ...Si12 411A Others 257 Part 8 Others 1 Others 258 1 1 Test Run from the Remote Controller 258 1 2 Jumper Settings 259...
Страница 295: ...Si12 411A iv Index...
Страница 298: ...Si12 411A Printed in Singapore 03 2005 AK COS...