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Troubleshooting for Outdoor Unit (25/35 class)
Si21-205
170
Troubleshooting
6.6
Position Sensor Abnormality
Remote
Controller
Display
H6
Method of
Malfunction
Detection
A compressor startup failure is detected by checking the compressor running condition through
the position detection circuit.
Malfunction
Decision
Conditions
The compressor fails to start in about 15 seconds after the compressor run command signal
is sent.
Clearing condition: Continuous run for about 5 minutes (normal)
The system will be shut down if the error occurs 16 times.
Supposed
Causes
Compressor itself defective
Outdoor unit PCB defective
Stop valve closed
Input voltage out of specification
Troubleshooting
Check No.13
Refer to P.193
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Reconnect as specified.
∗
Inverter checker
Part No.: 1225477
Correct the power supply or
replace the outdoor unit
PCB.
Replace the compressor.
(R3041)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Normal
NO
NO
NO
YES
YES
NO
YES
YES
Any LED off?
DC290~380V?
Electricals
or compressor harnesses
connected as
specified?
Check the electrolytic capacitor
voltage.
Check with the inverter checker (
∗
).
Turn off the power. Disconnect the
harnesses U, V and W.
C
heck No.
13
Check for short-circuit.
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...